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La prise de contrôle inversée en droit canadienGervais, Hans C. 12 1900 (has links)
"Mémoire présenté à la Faculté des études supérieures en vue de l'obtention du grade de LLM en droit" / Le présent mémoire analyse le phénomène des prises de contrôle inversée (PCI). Cette
technique permet à une société privée de se faire acquérir par une société publique coté
en Bourse. Elle obtient de cette dernière, en contrepartie, un nombre si important de ses
actions qu'à la suite de la transaction, la société privée contrôle la société publique qui
vient légalement de l'acheter. D'où la prise de contrôle dite inversée. Le but de l'opération
consiste pour la société privée à devenir publique rapidement, et ce, à coûts
moindres, comparativement à un appel public traditionnel. La société privée profite ainsi
de son nouveau statut pour se financer par un appel public à l'épargne publique par le
biais de la Bourse.
La piètre réputation associée à ce genre de transactions est due à la cupidité de
quelques entrepreneurs peu scrupuleux qui ont comme objectif d'empocher un profit
rapide au détriment du public investisseur. Avec comme résultat que ce type de transaction
suscite, à juste titre, la méfiance des autorités réglementaires.
Le dilemme peut donc être posé en ces termes: compte tenu de l'importance
économique des PME en termes de création de richesse au pays, doit-on restreindre
l'usage de la PCI au nom du principe de la protection des épargnants? En somme, la
liberté commerciale doit-elle céder le pas à des craintes de nature réglementaire?
Nous concluons que malgré ces craintes très réelles, la PCI, majoritairement utilisée
par la PME, doit être maintenue et qu'en termes de politique réglementaire, les autorités
devraient favoriser l'emploi par ces jeunes sociétés du programme de financement
« Société de Capital de Démarrage» (SCD) mis en place par la Bourse de Croissance rsx.
Malgré ses défauts évidents, ce programme doit être amélioré afin de promouvoir
une PCI plus efficace, et ce, à l'intérieur du programme Sco. À cet égard, la SCD pourrait
bénéficier de la crédibilité ainsi que de l'expertise indéniable de la Bourse de Croissance
en matière de financement de jeunes entreprises. Idéalement, la SCD serait améliorée au
point où elle rendrait la PCI, hors ce programme, inutile. En ce sens, la liberté commerciale
de faire des PCI serait préservée, tout en assurant la protection du public
investisseur. / This thesis endeavours to analyse the phenomenon of the reverse takeover (RTO). This
technique allows a private company to be acquired by a public entity whose stock is
listed on an exchange. The former obtains from the latter such an important part of its
stock that following the completion of the transaction, the private company controls the
public company which has just acquired it. The takeover is therefore deemed reversed.
The purpose of the transaction from the private entity perspective is to gain the status
and privilege associated with being a publicly listed company faster and at a fraction of
the cost that would otherwise be the case with a traditional public offering. Thereafter
the private company uses its newly acquired public status to tap the capital markets via
the stock exchange.
The poor reputation generally associated with this kind of transaction is in a large
measure due to the greed of a few scam artists whose main motive is a quick profit at
the expense of the investing public. The result of this situation is that the RTO is viewed
with considerable scepticism by the regulatory authorities.
The dilemma may therefore be set in the following terms: taking into consideration
the economic importance of the small and medium business (SME) as a creator of wealth
in the economy, should the competent authorities limit the use of the RTO in the name
of investor protection. In other words, should the commercial freedom to use the RTO in
order to finance SME take a back seat to regulatory concerns.
We conclude that although the serious concerns levelled by the regulators are very
real, the RTO which is used primarily by SME should be maintained. It is further argued
that regulatory authorities should promote as a matter of policy the RTO sponsored by
the Capital Pool Company (CPC) program provided for by TSX Venture.
We find that this program should be upgraded to allow for a more efficient RTO
under the rules of the CPC. In this regard, the program would gain from the credibility
and the undeniable expertise of the TSX Venture in the realm of financing young and
emerging companies.
Therefore, ideally, this program would be improved to the point where it would
render the RTO pursued out of the program useless. If this were the case, we conclude
that commercial freedom would be preserved, while concurrently maintaining protection
for investors and upholding the integrity of capital markets.
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The relationship between concentration and realised volatility : an empirical investigation of the FTSE 100 Index January 1984 through March 2003Tabner, Isaac T. January 2005 (has links)
Few studies have examined the impact of portfolio concentration upon the realised volatility of stock index portfolios, such as the FTSE 100. Instead, previous research has focused upon diversification across industries, across geographic regions and across different firms. The present study addresses this imbalance by calculating the daily time series of four concentration metrics for the FTSE 100 Index over the period from January 1984 through March 2003. In addition, the value weighted variance covariance matrix (VCM) of daily FTSE 100 Index constituent returns is decomposed into four sub-components: two from the diagonal elements and two from the off-diagonal elements of the VCM. These consist of the average variance of constituent returns, represented by the sum of diagonal elements in the VCM, and the average covariance represented by the sum of off-diagonal elements in the VCM. The value weighted average variance (VAV) and covariance (VAC) are each subdivided into the equally weighted average variance (EAV) the equally weighted average covariance (EAC) and incremental components that represent the difference between the respective value-weighted and equally weighted averages. These are referred to as the incremental average variance (IAV) and the incremental average covariance (IAC) respectively. The incremental average variance and the incremental average covariance are then combined, additively, to produce the incremental realised variance (IRV) of the FTSE 100 Index. The incremental average covariance and the incremental realised variance are found to be negative during the 1987 crash and the 1992 ERM crisis. They are also negative for a substantial part of the study period, even when concentration was at its highest level. Hence the findings of the study are consistent with the notion that the value weighted, and hence concentrated, FTSE 100 Index portfolio is generally less risky than a hypothetical equally weighted portfolio of FTSE 100 Index constituents. Furthermore, increases in concentration tend to precede decreases in incremental realised volatility and increases in the equally weighted components of the realised VCM. The results have important implications for portfolio managers concerned with the effect of changing portfolio weights upon portfolio volatility. They are also relevant to passive investors concerned about the effects of increased concentration upon their benchmark indices, and to providers of stock market indices.
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Concurrence entre les plateformes d’échanges / Competition among stock exchangesBoussetta, Selma 02 December 2016 (has links)
Cette thèse est composée de trois chapitres distincts. Chacun de ces chapitres examine un impact spécifique de la concurrence entre les bourses sur les marchés financiers. Le chapitre 2 propose un modèle théorique afin d’analyser l’effet de la concurrence sur le rôle de certification offert par les bourses. Les résultats montrent que surestimer la qualité d’un projet est un équilibre malgré la présence des coûts de réputation. Le chapitre 3 analyse les effets du phénomène de conversion de structure organisationnelle des bourses de mutuelle-à-cotée sur la performance et sur la qualité de marché. Les résultats suggèrent que, bien que cette conversion améliore la performance financière des bourses, elle peut néanmoins nuire à la qualité de marché. Le chapitre 4 est une étude empirique de l’impact de la période de pré-ouverture sur la découverte des prix et la formation de la liquidité sur le marché primaire et sur les plateformes concurrentes. Les résultats montrent que les prix indicatifs de la période de pré-ouverture participent à la découverte des prix et contiennent également des informations particulièrement au début de la pré-ouverture. / This dissertation is made of three distinct chapters. Each of these chapters investigates a specific impact of the increased competition among stock exchanges in capital markets. Chapter 2 proposes a theoretical model to analyze the effect of competition on the quality of the certification process offered by stock exchanges. The findings show that overestimating the quality of a project is an equilibrium despite the presence of the reputation costs. Chapter 3 analyzes the effects of the mutual-to-stock conversion phenomenon on market performance and on market quality of listed exchanges. The results suggest that while stock exchange ownership conversion enhances the stock exchange financial performance, it may be detrimental to market quality. Chapter 4 empirically examines the impact of the pre-opening period of an incumbent market on price discovery and market liquidity on the primary market and on the competing venues. Results provide evidence that tentative prices during the pre-opening period participate to price discovery and also contain information particularly early during the pre-opening.
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Le préjudice de l'actionnaire / Shareholder damagesKoray, Zoé Zeynep Can 06 December 2018 (has links)
Le préjudice de l'actionnaire est un sujet encore peu étudié en France alors qu'il soulève de nombreuses interrogations. A l'inverse de nombre de solutions reçues dans les droits étrangers, le droit français n'admet que peu sa réparation tant il reste lié à la distinction jurisprudentielle fondamentale entre préjudice purement personnel (réparable) et préjudice simple corollaire du préjudice social (non réparable). Pourtant, cette distinction n'est pas des plus satisfaisantes ni sur le plan théorique, ni sur le plan pratique. Elle est en outre remise partiellement en cause dès lors que le préjudice trouve sa source dans une infraction pénale, telle que la communication d'informations mensongères. Par ailleurs, l'internationalisation des mouvements de capitaux soulève de plus en plus fréquemment la question de la loi applicable ou du juge compétent (judiciaire ou arbitral également) relativement aux actions en justice des actionnaires. Cette étude se propose dès lors de fournir une appréciation critique du droit positif afin de tenter l'élaboration d'un droit prospectif. Les solutions existantes peuvent-elles et doivent-elles changer ? Pour adopter quel type de solutions ? / The subject of shareholder damages has seldom been studied in France. Nonetheless, it is a topic of much discussion and debate in legal circles. Unlike under some foreign laws, French law rarely permits the direct compensation of shareholder damages because of the summa divisio between the personal damage (recoverable) and the damage of the company (not recoverable). However, this distinction is not relevant both in terms of theory and practice. More doubt is cast on this distinction where the potential damage arises from an infringement of the penal law, such as the use of false or misleading information to induce shareholder reliance or action. Furthermore, the internationalisation of capital introduces conflicts of law and jurisdictional questions, asking the courts to first determine whether they are the proper authority to hear a shareholder’s case, and which nation’s laws to apply.This study presents a critical analysis of the positive law and proposes avenues of reforming French laws concerning shareholder damages. Should the existing remedies be changed ? Which remedies should be adopted to reverse the strict trends in French law against adequately compensating shareholders’ losses ?
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Three accounting research essays in a historical settingGünther, Jens 13 July 2015 (has links)
Die vorliegende kumulative Dissertation analysiert Determinanten und Konsequenzen der Berichterstattung von Unternehmen im deutschen Kaiserreich. Das erste Papier analysiert den Zusammenhang zwischen der freiwilligen Publizität und dem Produktmarktwettbewerb. Auf der Grundlage einer Stichprobe von 570 Unternehmensjahren lässt sich ein negativer Zusammenhang zwischen der freiwilligen Publizität und dem potentiellen Wettbewerb zeigen. Darüber hinaus finde ich einen negativen Zusammenhang zwischen der freiwilligen Publizität und der Branchenprofitabilität. Schließlich finde ich einen positiven Zusammenhang zwischen der freiwilligen Publizität und dem existierenden Wettbewerb. Dieser Zusammenhang ist jedoch nur für Branchenfolger statistisch signifikant. Im zweiten Papier analysiere ich den Einfluss von (überraschenden) Dividendenankündigungen auf die Berliner Börse im Jahr 1895. Auf der Grundlage einer Stichprobe von 166 Unternehmen finde ich positive (negative) kumulierte abnormale Renditen als Reaktion auf eine positive (negative) Dividendenüberraschung. Querschnittsanalysen zeigen, dass diese Effekte mit der Signaling Theorie vereinbar sind. Darüber hinaus lässt sich zeigen, dass der Handel auf dem Kapitalmarkt um die Dividendenankündigungen herum erhöht ist. Dies ist vereinbar mit der differentiellen Erwartungsrevision. Das dritte Papier analysiert schließlich den Zusammenhang zwischen der Zusammensetzung des Aufsichtsrats und dem bilanzpolitischen Verhalten von Unternehmen zu Beginn des 20. Jahrhunderts. Bei diesen Unternehmen lässt sich der von Burgstahler/Dichev (1997) dargestellte „earnings kink“ nachweisen. Darüber hinaus lässt sich zeigen, dass dieser „earnings kink“ nicht mehr präsent ist, sobald die Gewinne um Abschreibungen korrigiert werden. Es lässt sich allerdings nicht zeigen, dass die Präsenz von Bankdirektoren im Aufsichtsrat mit dem „earnings kink“ oder der Höhe der abnormalen Abschreibungen verbunden ist. / This cumulative Ph.D. thesis analyzes determinants and consequences of financial accounting practices in Imperial Germany. The first paper analyzes the relationship between product market competition and voluntary disclosure. Based on a balanced panel of 570 firm-years, I find a negative association between voluntary disclosure and potential competition. I also find a negative association between industry profitability and voluntary disclosure. Finally, I find a positive association between existing competition and voluntary disclosure for industry followers. The second paper analyzes share price and trading effects around dividend announcements of firms listed on the Berlin Stock Exchange in 1895. Based on a sample of 166 firms, I find a statistically and economically significant positive (negative) cumulative average abnormal return following a positive (negative) dividend surprise. Cross-sectional analyses show that these effects are consistent with the dividend signaling hypothesis. I furthermore find that trading is increased around the announcements. This is consistent with a differential belief revision among individual investors. The third paper analyzes the earnings of 50 public and 50 private German firms for the fiscal years 1903-1907. I find the earnings kinks reported by Burgstahler and Dichev (1997). I also find that these kinks disappear once I adjust earnings for depreciations. However, my analyses do not support a divergent probability to avoid small losses and earnings decreases when firms are monitored by bank directors. Based on a propensity score matching I do also not find systematic differences in discretionary depreciations between firms monitored by bank directors and firms without such bank attachments in general.
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Análise das operações de cross hedge do bezerro e do hedge do boi gordo no mercado futuro da BM&F. / Analisys of calf cross hedge and fed cattle hedge at BM&F futures market.Silveira, Rodrigo Lanna Franco da 08 November 2002 (has links)
O presente estudo visa analisar as operações de cross hedge dos preços do bezerro na Bolsa de Mercadorias & Futuros (BM&F). Para tanto, foram calculados o risco de base destas operações nas semanas de vencimento do contrato futuro de boi gordo, as razões de hedge ótimas e as respectivas efetividades, entre setembro de 1995 e fevereiro de 2001, nas principais praças de comercialização de gado bovino do País - Araçatuba (SP), Bauru/Marília (SP), São José do Rio Preto (SP), Presidente Prudente (SP), Três Lagoas (MG), Triângulo Mineiro (MG), Campo Grande (MS) e Noroeste do Paraná. Como forma de comparação, as mesmas análises foram realizadas para o hedge do boi gordo. O valor médio da base e o risco de base do hedge do boi gordo e do cross hedge do bezerro foram calculados nas semanas de vencimento dos 58 contratos futuros de boi gordo e análises econométricas foram realizadas. Nesta primeira etapa, foi possível observar os seguintes resultados: i) valor médio e variância da base do bezerro foram superiores à do boi gordo em todas as regiões; ii) o desvio padrão da base do boi gordo foi 80,67% inferior ao desvio padrão do bezerro; iii) o risco de base do boi gordo foi estatisticamente inferior nas regiões que compõem o Indicador de Preço Disponível do Boi Gordo - IBG, calculado pelo CEPEA/FEALQ; iv) o risco de base do bezerro não apresentou diferenças estatisticamente significativas entre as regiões. Em uma segunda etapa, o estudo buscou analisar as razões ótimas e a efetividade do hedge do boi gordo e do cross hedge do bezerro, conforme a metodologia de Myers & Thompson (1989). Tanto no cross hedge, como também no own hedge, as razões se mostraram elevadas - no primeiro caso esteve entre 37% e 49%, já no segundo variou entre 58% a 63%. Com relação à efetividade, constatou-se que no caso do own hedge, o risco de preço pode ser reduzido em cerca de 50% com a tomada de posição em contratos futuros de boi gordo na proporção de hedge ótima. No entanto, para o cross hedge, a efetividade foi bastante baixa para todas as regiões, de aproximadamente 1,5%. Se por um lado, a proteção contra os riscos de preço do boi gordo ocorre de forma eficiente, por outro lado a proteção contra movimentos adversos nos preços do bezerro possui baixa efetividade. Conclui-se, portanto, que os pecuaristas, os quais utilizam o preço do bezerro e a relação de troca entre boi gordo e bezerro para a decisão de venda do gado, não possuem um instrumento eficiente, nos mercados futuros, de proteção dos preços de sua atividade. / The aim of the present study is to analyze the cross hedge operation for calves in the BM&F future markets. The basis risk of these operations during the contract maturity weeks were calculated, as well as the optimal hedge ratios and the respective effectiveness. The period considered was September, 1995 to February, 2001, and the regions were chosen according to their importance in commercialization of bovine cattle: Araçatuba (SP), Bauru/Marília (SP), São José do Rio Preto (SP), Presidente Prudente (SP), Três Lagoas (MG), Triângulo Mineiro (MG), Campo Grande (MS) and Noroeste do Paraná. For the sake of comparisons, the same analyses were carried for the fed cattle hedge operations, in the same regions. The average value of the basis and the basis risk of fed cattle hedge and calf cross hedge was calculated for 58 future contracts, in the last week of contract life, and econometric analyses were performed. The main results arising from the preceding analyses can be pointed out: i) average basis value and basis risk of calf were higher than the values of fed cattle in all regions; ii) the basis standard deviation for fed cattle was 80,67% lower than for calf; iii) the regions comprised by IBG, calculated by the CEPEA/FEALQ, showed lower fed cattle basis risk compared to the other regions under study; iv) the calf basis risk in the regions studied did not present statistically significant differences. In a second stage, the study analyzed the optimal hedge ratio and the related effectiveness of own and cross hedge, according to the methodology proposed by Myers & Thompson (1989). The estimated hedge ratio was high in both cases, between 37% and 49% for the optimal hedge ratio and 58% to 63% for the cross hedge. The own hedge figures mean a 50% reduction in price risk when hedging at the optimal ratio, a value that drops consistently to about 1,5% for all regions when the cross hedge is considered. The main conclusion of the study is that the BM&F fed cattle future markets are quite effective as a price risk reduction strategy for the own hedge operations, but lack effectiveness in this sense for the calves cross hedge. Market agents trying to use the calf price and the exchange relation between fed cattle and calf prices for cattle selling decisions should not rely on this mechanism for price risk reductions.
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Relação entre cobertura da mídia, valor das empresas e liquidez das ações / The relationship between media coverage and companies\'s market capitalization and stock liquidityCosta, Fernando Torres Baptista da 18 November 2015 (has links)
Que tipo de relação existe entre a exposição que uma empresa tem na mídia e o seu valor de mercado e o volume de negócios com suas ações? Partindo da premissa que a exposição de uma empresa na imprensa aumenta o alcance das informações relativas a ela e contribui para diminuir a assimetria informacional entre a administração da companhia e os investidores, o objetivo deste trabalho foi testar empiricamente se existe relação positiva entre a exposição de companhias abertas brasileiras na imprensa e seu valor de mercado e a liquidez de suas ações em bolsa. Trata-se do primeiro estudo feito no Brasil sobre o assunto. A partir de uma amostra de 152 companhias que representavam 81% do valor de mercado da bolsa brasileira em março de 2015, foi levantada a frequência de matérias que citaram essas empresas no jornal Valor Econômico no período de 20 trimestres entre janeiro de 2010 e dezembro de 2014. A técnica estatística usada foi a de regressão com Dados em Painel, que considera a variação tanto entre as companhias da amostra como também as alterações de valores no tempo para cada empresa. Como esperado a partir da plataforma teórica e da evidência de estudos internacionais, os resultados indicam uma relação estatisticamente significativa entre cobertura da mídia e valor de mercado. Os resultados foram consistentes tanto no teste com o múltiplo preço/valor patrimonial (P/VPA) como com a métrica Q de Tobin como variável dependente. Isso significa que, nesta amostra, as empresas que aparecem com mais frequência na imprensa econômica têm maior valor de mercado relativo do que aquelas que aparecem menos. Um terceiro teste foi feito para medir a relação da exposição na mídia com a liquidez das ações, também encontrando associação estatisticamente significante e positiva. No caso do primeiro teste, é importante destacar que, quando a amostra foi dividida em quartis por porte, a cobertura da mídia perdeu significância para explicar o valor de mercado das maiores empresas do país. Espera-se que o trabalho, ainda que com as limitações de um estudo pioneiro no país, possa contribuir para que companhias abertas, assessorias de imprensa, veículos de comunicação e também os reguladores do mercado conheçam melhor as relações existentes com a exposição na imprensa. Se a linha de pesquisa prosperar e uma relação de causa e efeito for comprovada, imagina-se que no futuro as empresas poderão usar planos de mídia em estratégias de relações com investidores e medir esses efeitos. / What kind of relationship exists between the exposure that a company has in the media and its market value and the traded volume of its stocks? Assuming that the exposure of a company in the press increases the extent of information relating to it and helps to reduce the information asymmetry between the company\'s management and investors, the objective of this study was to empirically test whether there is a positive relationship between Brazilian companies exposure in the press and its market value and the liquidity of its shares on the stock exchange. This is the first study in Brazil on the subject. From a sample of 152 companies representing 81% of the market capitalization of the Brazilian stock market in March 2015, I have collected the frequency of stories in which they were mentioned in the Valor Econômico newspaper in the period of 20 quarters between January 2010 and December 2014. The statistical technique used was the regression with Panel Data, which considers the variation both between the sample of companies as well as value changes over time for each company. As expected from the theoretical platform and evidence from international studies, the results indicated a statistically significant relationship between media coverage and market value. The results were consistent in both the test with the multiple price-to-book (P/B) as with the Tobin\'s Q ratio as the dependent variable. This means that companies in this sample that appear more frequently in the financial press have higher market value relative to those that appear less. A third test was done to measure the relationship between media exposure with the liquidity of the shares, also finding statistically significant positive association. For the first test, it is important to note that, when the sample was divided into quartiles by size, media coverage has lost significance in explaining the market value of the largest companies in the Brazilian market. It is expected that work, albeit with the limitations of a pioneering study in the country, can contribute to public companies, press offices, media outlets and also the market regulators to have a more informed perception of the scope of the exposure in the press. If the line of research to thrive and if a cause and effect relationship is proven, it is thought that, in the future, companies may use media plans in investor relations strategies and measure these effects.
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Langfristige Renditeentwicklung nach Börseneinführungen und Kapitalerhöhungen am polnischen KapitalmarktZielinski, Kamil 05 November 2013 (has links)
Die vorliegende Studie entstand, um die langfristige Renditeentwicklung polnischer Aktien nach Börseneinführungen und Kapitalerhöhungen in den Jahren 1994-2008 zu untersuchen. Ein besonderes Augenmerk richtet sich dabei auf die Erkennung und Analyse der performancerelevanten Unternehmenseigenschaften sowie auf die Erklärung der festgestellten Marktanomalien mit Hilfe ausgewählter Modellansätze. Die empirischen Analysen wurden aus dem Blickwinkel eines Kleininvestors durchgeführt, wodurch die meisten Ergebnisse, neben dem wissenschaftlichen Wert, eine hohe Praxisrelevanz besitzen. Die Untersuchung von insgesamt 263 Börseneinführungen ergab, dass die Emissionsrenditen der meisten Aktien zwar signifikant positiv waren, längerfristig bauten sie sich aber ab. Am Ende des 36-sten Notierungsmonats wiesen sie insgesamt eine starke Underperformance auf. Dabei entwickelten sich die langfristigen marktbereinigten IPO-Renditen in den 90-er Jahren wesentlich schlechter, als nach der Jahrhundertwende. Die Analyse des Kursverhaltens nach 157 Kapitalerhöhungen durch Aktien- und Bezugsrechtsemissionen zeigte, dass innerhalb der dreijährigen Halteperiode die Performance der betrachteten Stichprobe von der Rendite des Gesamtmarktes nur geringfügig abweichte. Dabei entwickelten sich die Kurse von Aktien der kleineren Firmen wesentlich schlechter, als die Aktienkurse der hochkapitalisierten Unternehmen. / This study investigates the long-term stock return after initial public offerings and seasoned equity offerings occurred between 1994 and 2008. A particular attention is being paid to the identification and analysis of performance-relevant issuing firm characteristics and the explanation of the identified market anomalies by means of the preselected explanatory models. Since the empirical study was carried out from the small investor’s perspective, the majority of the obtained results provide not only a considerable scientific value, but also a strong relevance to the actual practice. The study examined 263 IPOs of common stocks and found an overwhelmingly positive initial return. However, this return vanished gradually on the long run, resulting in a high overall underperformance in 36 months after the first listing. In this respect, it is remarkable that the long-term returns of the IPO-stocks issued in the 1990s proved considerably lower than of those placed after 2000. The examination of the long-term stock price behaviour after 157 SEOs reveals only a tiny difference between the performance of the sample and the overall market return. Noteworthy is however the fact that equity issues conducted by smaller firms led usually to significantly poorer stock performance, than when equity was offered by large capitalized companies.
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Marknadseffektiviteten på Stockholmsbörsen efter finanskrisen 2008 : En studie om marknadseffektivitet på NasdaqOMXArakelian, Alisa, Malki, Mattias January 2012 (has links)
Syfte: Syftet med uppsatsen är att undersöka hur marknadseffektiviteten på Stockholmsbörsen har blivit påverkat av finanskrisen 2008, vilket genomförs genom att undersöka om bolag får avvikande avkastning vid publicering av kvartalsrapporter. Teori: Teorikapitlet utgår från den effektiva marknadshypotesen, där dess tre olika komponenter samt anomalier tas upp. Metod: Undersökningen genomförs med hjälp av en event studie och en hypotesprövning för att kontrollera hur effektiviteten på NasdaqOMX har blivit påverkad av finanskrisen. Undersökningen utgår ifrån en period på tre år, 2009-2011, och omfattar aktierna på index OMXS30. En insamling av kursdata från de 29 bolag som ingick i OMXS30 har skett, med hänsyn till datum för publicering av kvartalsrapporter. Detta ger totalt 261 observationer under dessa tre år. Empiri: Hypotesprövningen tillsammans med övrig empiri har visat att det kan finnas ett samband mellan publicering av kvartalsrapporter och bolagens aktiepris. Dock visar empirin att finanskrisens påverkan på effektiviteten har varit mycket liten. Analys: Analys av empirin tyder på att det finns tydliga tecken på att bolagens aktiepris påverkas vid publicering av kvartalsrapporter. Störst påverkan sker däremot publicering av kvartalsrapport ett och två. Analys av empirin visar även att marknaden har återhämtat sig snabbt efter finanskrisen. Slutsats: Undersökningen visar att det finns tecken på en mellanstark form av effektivitet på NasdaqOMX, även om denna inte är helt hundraprocentig. Dock är det svårt att dra en generell slutsats hur mycket 2008 års finanskris har påverkat denna effektivitet eftersom en finanskris har efterlöst en annan. / Purpose: The purpose of this paper is to examine how market efficiency on the Stockholm stock exchange has been affected by the financial crisis of 2008, which is carried out by examining if companies earn abnormal returns when publishing quarterly reports. Theoretical perspectives: The theory chapter is based on the efficient market hypothesis, where its three different components and anomalies are discussed. Methodology: The examination is carried out by an event study and a hypothesis test to control how the efficiency on NasdaqOMX has been affected by the financial crisis. The examination is based on a three year period, 2009-2011, and includes the stocks on the index OMXS30. Stock data has been collected from the 29 companies in the OMXS30, with regard to dates the quarterly reports were published. This gives a total of 261 observations under three years. Empirical outcome: The hypothesis test, together with other empirical results, has shown that there may be a relation between the publishing of quarterly reports and company stock price. However, empirical results show that the financial crisis effect on the market efficiency has been insignificant. Analysis: Analysis of the empirical results show that there are clear signs of change in company stock price when publishing quarterly reports. However, the significant change can be seen during the publishing of quarterly report one and two. Analysis of the empirical results also shows that the market has quickly readjusted after the financial crisis. Conclusion: The study shows that there are signs of semi-strong market efficiency on NasdaqOMX, even if this efficiency is not 100 percent strong. However, it is hard to come to a general conclusion on how much the financial crisis 2008 has affected this efficiency due to the fact that one financial crisis has resolved after another.
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Är aktiesplit en hit? : En eventstudie på Stockholmsbörsen om aktiesplitar och överavkastningForsberg, Elisabeth, Hurtig, Robert January 2013 (has links)
Syfte: Studien har utrett om aktiesplit genomförda på Stockholmsbörsen under åren 2004-2008 genererat överavkastning och i sådana fall om det har funnits några skillnader i överavkastning beroende på företagens storlek. Teori: Den effektiva marknadshypotesen, framförallt i dess semistarka form, har utgjort en teoretisk referensram för arbetet. Metod: En kvantitativ deduktiv forskningsansats har tillämpats med eventstudiemetodik som grund. Undersökningen behandlar en femårsperiod mellan 2004-2008 där ett urval av 56 stycken splitar mötte uppsatta kriterier. Dessa delades in i tre undergrupper beroende på bolagens kapitalstorlek vid splitgenomförandet. Kursdata för 250 dagar innan spliten och 250 dagar efter har samlats in för berörda bolag med hänsyn till splitdagen. OMXSPI har använts som jämförelseindex. Resultat: Resultatet tillsammans med hypotesprövning visar att överavkastning i samband med aktiesplit har påträffats för hela populationen under mätperioden. Ett möjligt samband mellan storleken på bolag och omfattningen överavkastning har även upptäckts. Den enskilt största överavkastningen uppmättes på splitdagen. Analys: En analys av resultaten pekar på att marknaden uppfattat aktiesplit som en positiv nyhet och i linje med tidigare forskning har det funnits överavkastning i tiden runt en aktiesplit. Vid uteslutande av en undergrupp som inte klarat hypotestestet kunde sambandet mellan företagsstorlek och omfattningen överavkastning till viss del bekräftas som negativt. Slutsats: Investerare har kunnat generera överavkastning i samband med aktiesplit på Stockholmsbörsen mellan 2004-2008. Resultatet tyder på ett negativt samband mellan företagsstorlek och överavkastning, däremot kan inte sambandet bekräftas tillfullo. / Purpose: The study has investigated whether or not stock splits on the Stockholm Stock Exchange during the years 2004-2008 generated positive abnormal return and in such case, has there been any difference in the positive abnormal return depending on firm size. Theory: The efficient market hypothesis, especially in its semi-strong form, has provided a theoretical framework for the essay. Method: A quantitative deductive research approach is applied with event study methodology used as basis. The study concerns a five-year period 2004-2008, where a selection of 56 splits met set criteria. These were divided into three groups depending on their capital size at the split date. The price data for 250 days before the split, and 250 days after were collected for the companies with regard to split day. The same data was collected for OMXSPI that was used as a benchmark. Results: The result together with hypothesis testing shows that positive abnormal return associated with stock split has been found in the overall population. A possible correlation between the firm size and the extent of positive abnormal returns has also been discovered. The single greatest positive abnormal return was measured on the split date. Analysis: An analysis of the results indicates that the market perceived stock split as positive news. There has been a positive abnormal return around the time of a stock split in line with previous research. The exclusion of a subgroup that failed hypothesis test revealed a partly confirmed negative relationship between firm size and the amount of positive abnormal returns. Conclusion: Investors have been able to generate positive abnormal returns in association with stock split on the Stockholm Stock Exchange from 2004 to 2008. The results suggest a negative correlation between firm size and positive abnormal returns, however, the correlation is not fully confirmed.
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