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Investors make investment decisions based on their risk appetite. Furthermore, when such investors consider shares as part of their investment portfolio, these investors will consider the risk profile of the company it is interested in. By taking on a certain level of risk, shareholders expect to be commensurately compensated. Shareholders of companies with relatively higher debt levels in their capital structure and therefore higher financial risk, require a relatively higher return on their investment in order to compensate for such additional risk taken. Shareholders expect return in the form of dividend pay-outs, and capital growth in the share price. A positive correlation is therefore expected between the debt levels of a company and the total return to their shareholders, i.e. the sum of the dividend pay-outs and the capital growth in the share price, also referred to as total shareholder return (TSR). The focus of this study is on the platinum industry in South Africa, as this industry is vital to the South African economy in terms of job creation and earner of foreign exchange as South Africa dominates the world production of platinum. The purpose of this study is to investigate whether there is a correlation between the debt levels and the total shareholder return (TSR) of platinum companies listed on the JSE Ltd. Quantitative research techniques were used to address the research problem, making use of secondary data and rank correlation-based research. Firstly, the debt-to-equity ratio for each company was calculated based on book values. Secondly, the TSR of each company was calculated considering the dividends received and capital growth in share price. The correlation between the TSR and the debt-to-equity ratio was determined using Spearman’s rank correlation coefficient. The results were inconclusive, i.e. no, negative and positive relationships where the relationship is for the first 12 years not significant and for the last two years significant. Therefore the final conclusion is that this study is inconclusive to support or to reject the conceptual scope of the study in that risk is concomitant to return, i.e. returns compensate for risks, therefore higher debt levels require higher total shareholder returns (and vice versa). This study contributes to the literature on capital structure decisions from a South African platinum company perspective. The core audience will be the management of South African platinum companies considering changes in their capital structure as well as investors considering investing into a listed platinum company. / MCom (Management Accountancy), North-West University, Potchefstroom Campus, 2015

Investors make investment decisions based on their risk appetite. Furthermore, when such investors consider shares as part of their investment portfolio, these investors will consider the risk profile of the company it is interested in. By taking on a certain level of risk, shareholders expect to be commensurately compensated. Shareholders of companies with relatively higher debt levels in their capital structure and therefore higher financial risk, require a relatively higher return on their investment in order to compensate for such additional risk taken. Shareholders expect return in the form of dividend pay-outs, and capital growth in the share price. A positive correlation is therefore expected between the debt levels of a company and the total return to their shareholders, i.e. the sum of the dividend pay-outs and the capital growth in the share price, also referred to as total shareholder return (TSR). The focus of this study is on the platinum industry in South Africa, as this industry is vital to the South African economy in terms of job creation and earner of foreign exchange as South Africa dominates the world production of platinum. The purpose of this study is to investigate whether there is a correlation between the debt levels and the total shareholder return (TSR) of platinum companies listed on the JSE Ltd. Quantitative research techniques were used to address the research problem, making use of secondary data and rank correlation-based research. Firstly, the debt-to-equity ratio for each company was calculated based on book values. Secondly, the TSR of each company was calculated considering the dividends received and capital growth in share price. The correlation between the TSR and the debt-to-equity ratio was determined using Spearman’s rank correlation coefficient. The results were inconclusive, i.e. no, negative and positive relationships where the relationship is for the first 12 years not significant and for the last two years significant. Therefore the final conclusion is that this study is inconclusive to support or to reject the conceptual scope of the study in that risk is concomitant to return, i.e. returns compensate for risks, therefore higher debt levels require higher total shareholder returns (and vice versa). This study contributes to the literature on capital structure decisions from a South African platinum company perspective. The core audience will be the management of South African platinum companies considering changes in their capital structure as well as investors considering investing into a listed platinum company. / MCom (Management Accountancy), North-West University, Potchefstroom Campus, 2015

Overconfidence and its relationship to investor market participation is well established in the finance literature. The research into investors and social networks is only in its infancy, however. This thesis extends the literature by expanding on both subjects individually, then bringing them together. Empirical work on individual investors in the existing literature links overconfidence and excess trading, resulting in impaired returns. The preferred activity metric, monthly account turnover, encapsulates two separate elements, though. One is trade frequency. The other is leverage use. Chapter 4 of this thesis theorizes based on the existing literature that in fact trade frequency is not a good measure of overconfidence. It then demonstrates through empirical analysis of a group of individual non-professional foreign exchange traders that leverage is much more suitable to that role. Chapter 5 turns the focus to social networks, particularly with respect to information transfer. The literature in finance anticipates that network members benefit from their membership. Further, network position (social capital) enhances that benefit. This thesis challenges that expectation with respect to non-professional investors. Findings based on analysis of members of an online retail foreign exchange trader social network indicate that while there may be an educational benefit accruing to unsophisticated members, for more sophisticated ones membership appears to have a negative effect on returns. One potential explanation for the negative impact of network membership is explored in Chapter 6 in the form of impression management. It is hypothesized that sophisticated investors are influenced in their behaviour by the realization they are being observed, and also the size of their audience. Analysis of foreign exchange traders indicates an increase in leverage use among sophisticated investors as their audience size increases, coinciding with a decline in trade excess returns, making the case for an observation-based rise in overconfidence.

published_or_final_version / abstract / Economics and Finance / Doctoral / Doctor of Philosophy

<p>Till följd av en ständigt ökad konkurrens blir det allt svårare att som ny aktör att ta sig in på olika marknader. Vad som däremot kan underlätta etableringsprocessen för nya företag och varumärken är att associeras och förknippas med redan etablerade och välkända varumärken. Företaget gooh! är ett nytt måltidskoncept som funnits i drygt två år och är ett samarbete mellan Lantmännen och Operakällaren. Det intressanta här är att företaget gooh! har två kända varumärken som medverkar och står bakom konceptet.</p><p>I den här uppsatsen kommer vi att undersöka hur Marketing mix modellens faktorer påverkar en konsuments första köp av en gooh! produkt, med syfte att se om någon av dessa faktorer är mer viktig än någon annan samt att se hur dessa samverkar med varandra. Vi vill också i denna uppsats se hur konsumentens första köp påverkas av att två starka varumärken står bakom konceptet gooh!.</p><p>Undersökningen baseras på en kvantitativ undersökning där vi slumpmässigt frågat 50 konsumenter som alla handlat i en och samma gooh! butik.</p><p>Resultaten vi kommit fram till i denna undersökning tyder på att den valda ”platsen” av butik, dvs. lättillgängligheten till butiken är den faktor som påverkar konsumentens första köp mest, men även de andra faktorerna i Marketing mix modellen är av stor betydelse. Vidare visar även våra resultat på att Lantmännens och Operakällarens samverkan, har en positiv inverkan på konsumentens köpbeteende. I vår slutsats kommer vi bl.a. fram till att dessa två aktörers medverkan bidrar till en kvalitetsstärkning av gooh! produkterna och skapar ett mervärde hos konsumenten.</p>

<p>Financial bubbles are characterized by a large increase in the economic growth on the market as a whole or in specific industries. The change gives rise to an increase in the capital needed to finance this growth. Companies typically have a choice between equity and debt capital to finance its business and the mix of these types of capital is often referred to as the company’s capital structure. There has been a lot of research done in the field of financial bubbles and of</p><p>capital structure, as of yet no studies seem to address these two areas in combination.</p><p>The aim of this study is to examine if financial bubbles affect a company’s capital structure and through this also examine if the supposed changes in capital structure can be generalized.</p><p>The study comprise of two identical time-series which examines the changes in leverage and the choice of financing during the Swedish real estate bubble in the early nineties and the IT-crash at the end of the 2000th century. The study examines changes in leverage, price-to-book ratio and the choice between issuing convertible debt versus issuing equity, of eleven real estate companies and twelve IT-companies respectively.</p><p>This paper shows that a company’s capital structure is indeed affected by a financial bubble though the way it is affected during different financial bubbles differs. Significant changes in leverage and the choice between different types of financial instruments are identified in both time-series. The study also shows that neither the Pecking Order Hypothesis as presented by Myers (1984) nor the traditional trade-off theory can in whole explain these changes. A significant difference in leverage between the two groups can be identified which is consistent with earlier empirical studies on the difference between capital structures in different industries.</p><p>The results in this study seem to indicate that the changes in capital structure can be explained either by a supposed disturbance in the cost of different types of capital during the financial bubble or by the assumption that companies in specific industries (as the IT-industry) do not have the possibility to chose the type of financing freely.</p>

This thesis studies different aspects of firm decisions by using a dynamic model. I estimate a dynamic model of the firm based on the trade-off theory of capital structure that endogenizes investment, leverage, and payout decisions. For the estimation of the model I use Efficient Method of Moments (EMM), which allows me to recover the structural parameters that best replicate the characteristics of the data. I start analyzing the question of whether target leverage varies over time. While this is a central issue in finance, there is no consensus in the literature on this point. I propose an explanation that reconciles some of the seemingly contradictory empirical evidence. The dynamic model generates a target leverage that changes over time and consistently reproduces the results of Lemmon, Roberts, and Zender (2008). These findings suggest that the time-varying target leverage assumption of the big bulk of the previous literature is not incompatible with the evidence presented by Lemmon, Roberts, and Zender (2008). Then I study how corporate income tax payments vary with the corporate income tax rate. The dynamic model produces a bell-shaped relationship between tax revenue and the tax rate that is consistent with the notion of the Laffer curve. The dynamic model generates the maximum tax revenue for a tax rate between 36% and 41%. Finally, I investigate the impact of financial constraints on investment decisions by firms. Model results show that investment-cash flow sensitivity is higher for less financially constrained firms. This result is consistent with Kaplan and Zingales (1997). The dynamic model also rationalizes why large and mature firms have a positive and significant investment-cash flow sensitivity.

The aim of this research is to examine the determinants of the level of corporate risk disclosure (CRD) in the interim reports of Swedish non-financial companies. A quantitative research approach is used, the sample data of which consist of 166 firms with 4,849 interim reports over a 10-year period. By utilizing the notion of risk and its definition, I have distinguished three categories of risk, namely risk as uncertainty, risk as threat and risk as opportunity. A systematic content analysis is conducted with the use of a software program, which is specifically designed for this purpose. The number of sentences that contain keywords related to the three risk categories is counted as the total CRD score, which is transformed to the disclosure index. I have examined the impact of firms’ characteristics and corporate governance mechanisms on the level of CRD based on agency theory. The ordinary least squares regression method with  control for fixed year effects is used to analyse the data, which show that firm size and audit committee have a positive relationship with the level of corporate risk disclosure. The result demonstrates also that there is a negative relationship between family ownership and the level of CRD, and an insignificant relationship between leverage and the level of CRD.

This dissertation consists of two empirical studies in corporate finance. The first study, The Impact of Acquisitions on the Short-Run Returns to Shareholders and Bondholders, investigates shareholder and bondholder wealth with respect to 310 acquisitions in the UK market between 1994 and 2006. It tests the 3-day and 41-day excess security returns with an event study. The results show positive returns for target shareholders and bondholders, and negative returns for acquirer shareholders and bondholders. Moreover, the tests on value-weighted combined security returns show that stockholders lose, bondholders gain, target firms gain, acquirer firms lose, and shareholders/bondholders of target and acquiring firms as a whole lose. These results support the co-insurance hypothesis, wealth transfer hypothesis, hubris hypothesis, and bond return based on hubris hypothesis, and reject the synergy hypothesis. The univariate and multivariate analyses on the deal characteristics find that target and acquirer stock returns are higher with cash payment, acquirer stock returns are higher in friendly and industry unrelated takeovers, acquirer bond returns are higher in industry related takeovers, target firm share returns are higher when target size is smaller than the acquirer size, target and acquirer stock returns are higher in bull market period, and acquirer bond returns are higher in the bear market period. The second study, A Test of the Partial Adjustment Theory of Leverage Using Leverage Changes Arising from Takeovers, investigates firms’ capital structures by the event of takeovers. It examines 659 US acquiring firms which involved in acquisitions between 1962 and 2001. These acquiring firms’ book leverage ratio deviations are tested in an 11-year window. This result shows that takeovers have significant impact on firms’ book leverage ratios in the announcement year. The trend that firms gradually reverse their actual leverage ratios towards their optimism in the five years after the takeovers supports the dynamic trade-off theory. The partial adjustment models on the speed of adjustment further support the dynamic trade-off theory and reject the alternative capital structure theories. The tests on method of payment and source of fund demonstrate that cash payment and raise of funds are likely to increase firms’ leverage ratios at announcement and to maintain these ratios at a high level in the years after the merger.