L'objectif sous-jacent aux trois chapitres qui composent cette thèse est la compréhension du fonctionnement du marché du travail, afin d'établir un diagnostic quant au rôle de régulation potentiel d'une autorité publique dans ce marché. Dans le premier chapitre, j'analyse, d'un point de vue purement "positif", la capacité du modèle avec frictions d'appariement à répliquer les fluctuations de court terme de variables du marché du travail aux États-Unis. Je propose une nouvelle stratégie de calibration, dans le cadre d'analyse est celui d'un modèle de fluctuations avec rigidité de prix. Dans le deuxième chapitre (co-écrit avec F. Langot), nous étudions les déterminants des évolutions de l'offre de travail sur les cinquante dernières années. L'évolution du coin fiscal, ainsi que de deux variables reflétant le cadre institutionnel (la générosité du revenu en cas de "non-emploi" et le pouvoir de négociation des travailleurs), permettent d'expliquer les différentes trajectoires du taux d'emploi et des heures travaillées observées aux États-Unis et dans trois économies européennes (France, Allemagne et Royaume-Uni). Dans le troisième chapitre, j'analyse la performance de deux systèmes alternatifs de sécurité sociale, dans le cadre d'un modèle avec agents hétérogènes en termes de richesse. Les agents sont soumis à un risque de chômage, et le planificateur peut fournir de l'assurance à travers un système fiscal redistributif, basé sur une taxe progressive et/ou l'assurance chômage. Le système fiscal progressif est supérieur, en termes de bien-être agrégé, à l'assurance fournie à travers des allocations chômage, à travers son effet sur le fonctionnement du marché du travail. / The objective underlying the three chapters of this thesis is the understanding of the functioning of the labor market to make a diagnosis about the potential regulatory role of a public authority in this market. ln the first chapter, I analyze, from a purely "positive" point of view, the ability of the model with search and matching frictions to reproduce short-term fluctuations of labor market variables in the United States. I propose a new calibration strategy, within a general equilibrium framework with sticky prices. In the second chapter (co-written with F. Langot), we study the determinants of changes in the labor supply over the last fifty years. Changes in the tax wedge, and two variables reflecting the institutional framework (the generosity of income in case of "non-employment" and workers' bargaining power), can explain the different trajectories of the rate employment and hours worked observed in the United States and three European economies (France, Germany and the United Kingdom). ln the third chapter, I analyze the performance of two alternative systems of social security, within the framework of a model with heterogeneous agents in terms of wealth. The agents are subject to a risk of unemployment, and the planner can provide insurance through a redistibutive tax system, based on a progressive tax and / or unemployment insurance. The progressive tax system is superior in terms of aggregate welfare to the insurance provided through unemployment benefits, through its effect on the functioning of the labor market.

L’objet de ce travail est de proposer une démarche d’évaluation puis de réduction du risque de fraude. Cette démarche est basée sur la notion d’appropriation, c’est-à-dire le degré d’intériorisation de son environnement par l’individu. Il s’agit d’améliorer les appropriations respectives (ce que nous appelons « appropriation croisée ») des opérateurs (gérants ou traders) et des contrôleurs. Promouvoir cette appropriation croisée permettra aux opérateurs et aux contrôleurs de développer des interrelations attentives et permettra aux opérateurs de s’affranchir de l’idée de mythe dans laquelle ils peuvent se sentir enfermés, ces deux points devant conduire à diminuer le risque de fraude. L’appropriation, par elle-même, permettant également de développer des capacités difficilement imitables, notre idée est que l’appropriation croisée favorise une performance économique de long terme de l’organisation. La démarche que nous proposons s’effectue en trois temps, il s’agit tout d’abord de faire en sorte que les acteurs concernés aient une connaissance partagée des rôles de chacun, ce qui permettra ensuite de déterminer les facteurs critiques à améliorer. Le troisième temps consistant à mesurer le déficit d’appropriation croisée à l’aide d’un outil : la balance appropriative et à diriger les appropriations afin de rééquilibrer cette balance. / The aim of this work is to suggest an appropriation-related framework for evaluating and reducing the risk of fraud in financial markets. Its purpose is to improve respective appropriations (what we call “cross appropriation”) of operators (traders or fund managers) and controllers (in charge of controlling operator’s position and operations). The enhancement of this cross appropriation should lead to heedful interactions which will permit operators to escape from the heavy mythological suit they might wear, resulting in less psychological pain. This appropriation, by itself, providing a competitive advantage, this approach should then give a long-term economic performance to the organization because appropriation is involved and respective appropriations are well balanced, resulting in less fraud. This framework is three-steps. The first one is to make sure every stakeholder has a shared understanding of the organization, which will allow a right selection of critical factors. The third step consist in measuring the quality of the cross-appropriation with a tool: the appropriation scales and to direct appropriations towards a better equilibrium of the scales if needed.

Submitted by Diego de Sousa Rodrigues (diego-2607@hotmail.com) on 2018-05-21T19:09:48Z No. of bitstreams: 1 Liquidity_constraints_and_collateral_crises.pdf: 724079 bytes, checksum: 3ad8ea76a1e94e45b794f4a0daa1ee3e (MD5) / Rejected by Pamela Beltran Tonsa (pamela.tonsa@fgv.br), reason: Bom dia Diego, Para que possamos dar andamento ao seu processo será necessário fazer apenas alguns ajustes. SÃO PAULO 2018 = DEVE SER LETRA MAIÚSCULA NAS CAPAS. A ficha catalográfica, deve ser inserida conforme lhe foi enviado pela biblioteca - Mudando apenas a quantidade de paginas. ( colocar ate mesmo o quadrado/ retângulo ) Apos as modificações excluir o arquivo ja postado e fazer novamente toda submissão. Qualquer duvida estamos a disposição. att, Pâmela Tonsa 3799-7852 on 2018-05-22T13:29:44Z (GMT) / Submitted by Diego de Sousa Rodrigues (diego-2607@hotmail.com) on 2018-05-22T16:41:39Z No. of bitstreams: 1 Liquidity_constraints_and_collateral_crises.pdf: 742240 bytes, checksum: 7566b1884a3945cd0b1e24a245dcae9b (MD5) / Rejected by Pamela Beltran Tonsa (pamela.tonsa@fgv.br), reason: Boa tarde Diego, Conforme falamos , estou rejeitando seu trabalho para a nova alteração. Att. Pâmela Tonsa 3799-7852 on 2018-05-22T16:48:17Z (GMT) / Submitted by Diego de Sousa Rodrigues (diego-2607@hotmail.com) on 2018-05-22T16:54:53Z No. of bitstreams: 1 Liquidity_constraints_and_collateral_crises.pdf: 761100 bytes, checksum: 7c985eac9766620ac562288a5c15f07d (MD5) / Approved for entry into archive by Pamela Beltran Tonsa (pamela.tonsa@fgv.br) on 2018-05-22T16:56:47Z (GMT) No. of bitstreams: 1 Liquidity_constraints_and_collateral_crises.pdf: 761100 bytes, checksum: 7c985eac9766620ac562288a5c15f07d (MD5) / Approved for entry into archive by Suzane Guimarães (suzane.guimaraes@fgv.br) on 2018-05-22T17:50:28Z (GMT) No. of bitstreams: 1 Liquidity_constraints_and_collateral_crises.pdf: 761100 bytes, checksum: 7c985eac9766620ac562288a5c15f07d (MD5) / Made available in DSpace on 2018-05-22T17:50:28Z (GMT). No. of bitstreams: 1 Liquidity_constraints_and_collateral_crises.pdf: 761100 bytes, checksum: 7c985eac9766620ac562288a5c15f07d (MD5) Previous issue date: 2018-05-16 / Asset-backed securities were widely traded. Arguably, this happened because they were complicated claims, in the sense that it was very costly to assess their fundamental value. Here, we show that if this is the case, then the emergence of alternative ways to address liquidity needs, by undermining the liquidity role of these assets and reinforcing the relevance of their fundamental value, may increase the incentives to acquire information about them, and negatively impact the credit market. Hence, our results suggest that it is easier for these assets to accomplish the role of private money when there are fewer alternative ways to address liquidity needs. / Os títulos lastreados em ativos eram amplamente negociados. Provavelmente, isso aconteceu porque eram títulos complicadas, no sentido de que era muito custoso avaliar seu valor fundamental. Aqui, mostramos que, se este é o caso, então o surgimento de formas alternativas de atender às necessidades de liquidez, ao enfraquecer o papel de liquidez desses ativos e reforçar a relevância de seu valor fundamental, pode aumentar os incentivos para obter informações sobre eles e impactar negativamente o mercado de crédito. Portanto, nossos resultados sugerem que é mais fácil para esses ativos desempenharem o papel do dinheiro privado quando há menos formas alternativas de atender às necessidades de liquidez.

A tese por nós aqui apresentada teve por finalidade principal pesquisar a transformação na forma crítica de reprodução fictícia da agroindústria canavieira paulista, entre o Proálcool (1975 1990) e aquela forma de reprodução que começou a se constituir a partir da década de 1990, mas só se estabeleceu no início do século XXI. Para tanto, visitamos teóricos da reprodução e crise do capital que nos auxiliaram a compreender as formas de reprodução fictícia do capital em nível global atualmente, para depois podermos cotejar suas interpretações com a pesquisa por nós realizada acerca da forma atual de reprodução fictícia desta agroindústria canavieira a partir da inflação do preço do açúcar como ativo financeiro nos mercados de futuros internacionais (derivativos). Tal pesquisa nos permitiu abordarmos, também, os impactos da crise econômica do capital de 2007/2008 sobre tal agroindústria, a fim de relacionarmos tal crise com uma discussão sobre a própria crise imanente do capital. As consequências dessa transformação na reprodução fictícia acima mencionada também foram observadas no que diz respeito à terra, conforme características da produção, produtividade e área com cana-de-açúcar; e ao trabalho, por meio da discussão acerca do trabalho do boia-fria e da mecanização do corte de cana-de-açúcar. Podermos sugerir a crise da reprodução da sociabilidade capitalista por meio da historicização de suas categorias (capital, terra e trabalho) atualmente em crise, nos fundamentou para desdobrarmos a crítica da forma mercadoria de relação social e do trabalho como fundamento do capital como ponto de chegada da crítica negativa que pretendemos apresentar como basilar para o movimento do texto como um todo. / The thesis we present here had as its main purpose the research in the transformation of the critical form of sugarcane agroindustry fictitious reproduction, in São Paulo State, between the Proálcool (1975 1990) and the form that started to be constituted in the nineties but only was stablished in the beginning of the twenty first century. Therefore, which helped us to understand the actual forms of global fictitious reproduction of capitalism and then we compared these interpretations with a research about the present form of sugarcane agroindustry fictitious reproduction in the State of São Paulo, which is characterized by sugar price inflation as a financial asset negotiated in international future markets (as a derivative). That research allowed us to approach the impacts in such sugarcane agroindustry of capital economic crisis of 2007/2008 and to relate this crisis with a discussion about capital immanent crisis. The consequences of the mentioned transformation in the sugarcane agroindustry fictitious reproduction in the State of São Paulo also have been observed with regard to land by characterizing sugarcane production, productivity and area; and to labor, through the discussion of boia-fria conditions of labor and the mechanization of sugarcane harvesting. Our suggestion of capitalist social reproduction crisis because of the historical character of its categories (capital, land and labor), currently in crisis, allowed us to unfold the critique to commodity form of social relation and labor as the fundament of capital as the ultimate purpose of the negative critique we intended for the totality of this text.

Uma característica marcante da recente crise financeira que ocorreu entre 2007 e 2009, conhecida como \"A Crise do Subprime\", foi quão rapidamente se propagou por todo o mundo. Entretanto, a maior parte da evidência empírica até o presente momento mostra que no início da crise (jun/07 - ago/08) a resposta das economias emergentes foi limitada. Este trabalho corrobora este fato, bem como a rápida saída da crise, para um grupo de países emergentes em acelerado processo de desenvolvimento: Brasil, Rússia, Índia e China, os BRICs. Encontramos ainda evidências de que a China exerceu, principalmente durante a crise, forte impacto positivo nos BRICs, o que nos levou a concluir que este foi um fator importante para que fossem menos afetados, quando comparados com economias desenvolvidas como os EUA. Também mostramos que países dentre os BRICs cuja atividade econômica apresenta maior semelhança - Brasil X Rússia e Índia X China - são afetados de modo geral de forma análoga e observamos ainda evidência de notáveis ligações financeiras entre os países do grupo. Por último, notamos que variáveis reais dos BRICs responderam com menor intensidade aos efeitos da crise quando comparadas a variáveis financeiras do próprio grupo e variáveis reais de países desenvolvidos. Para o estudo, utilizamos modelos S-VAR, VEC e testes de cointegração em painel, este último para os modelos com variáveis macroeconômicas reais. Também utilizamos um índice de propagação de calor, desenvolvido pelo Fundo Monetário Internacional (FMI), que mede a intensidade dos efeitos da crise nas variáveis para cada instante do tempo. / One of the main characteristics of the recent financial crisis that took place between 2007 and 2009, known as \"The Subprime Crisis\", was how fast it spread all around the globe. Nevertheless, most empirical evidence shows that at the beginning of the crisis (Jun/07- Aug/08) emerging markets\' response was limited. This present study corroborates this idea for a fast raising group of emerging economies: Brazil, Russia, India and China, the BRICs. We show as well how rapid these economies have managed to get out of the crisis and the not negligent positive impact that China had in all of them, especially during the crisis period. We infer that China\'s booming economy must have been one of the main factors that made the crisis\' impact reduced for the BRICs when compared to developed countries such as the US. We also show that countries among the BRICs that have more similarities - Brazil X Russia and India X China - were in general affected in an analogous way and we observe that there are strong financial links between group members. Last, we find that the crisis\' effect on real BRIC\'s macroeconomic variables was not as intense as those on developed countries or on BRIC\'s financial variables. For this study, we use S-VAR, VEC and Panel Cointegration Models. This last one was used for models with real macroeconomic variables. To draw our conclusions, we also utilize a Heat Index which has been developed by the International Monetary Fund (IMF).This index is a measure of the crisis\' effects intensity on economic variables through time.

Les écrits de Monsieur Haroun BOUCHETA, rassemblés en vue de l’obtention du titre de Docteur en droit, portent sur le droit financier. Depuis 2005, en prenant appui sur ses expériences professionnelles, l’auteur publie régulièrement des articles à destination tant des praticiens que des universitaires. Les écrits rassemblés sont de deux ordres. Premièrement, l’auteur s’intéresse à l’encadrement juridique de certains acteurs des marchés financiers ainsi qu’à celui d’instruments financiers et techniques financières.Parmi les acteurs étudiés, les contreparties centrales tiennent une place importante. Les études de l’auteur portant sur ce thème permettent d’appréhender l’environnement juridique et réglementaire spécifique et de comprendre ses récentes évolutions aux niveaux européen et français. Quant aux instruments financiers et techniques financières ayant fait l’objet de publications, l’auteur s’est essentiellement concentré sur les dérivés et les matières premières. Deuxièmement, d’autres écrits sont plus transversaux, voire prospectifs, puisqu’ils ont trait à des réformes européennes incontournables en matière de réglementation financière. A côté du règlement EMIR, l’auteur a consacré plusieurs études approfondies sur la réforme de la directive concernant les marchés d’instruments financiers (MIF). Ces écrits de droit financier sont accompagnés d’une introduction générale. La première partie s’appuie sur quinze articles publiés et a vocation à mettre en exergue certaines des lacunes de la régulation financière post-crise. Dans la seconde partie, l’auteur s’interroge sur la physionomie actuelle des sources du droit financier et sur le processus d’élaboration des textes. / The writings of Mr. Haroun BOUCHETA, gathered for the title of Doctor of Laws, deal with financial law. Since 2005, drawing on his professional experience, the author regularly publishes articles for both practitioners and academics. The collected writings are of two kinds.First, the author is interested in the legal framework of certain players in the financial markets as well as those of financial instruments and financial techniques.Among the actors studied, central counterparties play an important role. The author's studies on this subject make it possible to understand the specific legal and regulatory environment and to understand its recent developments at European and French levels.As for financial instruments and financial techniques that have been the subject of publications, the author concentrated mainly on derivatives and commodities.Secondly, other writings are more cross-cutting and even forward-looking, as they relate to unavoidable European reforms in financial regulation. In addition to the EMIR regulation, the author devoted several in-depth studies on the reform of the Markets in Financial Instruments Directive (MiFID).These writings of financial law are accompanied by a general introduction. The first part is based on fifteen published articles from the author and is intended to highlight some of the shortcomings of post-crisis financial regulation. In the second part, the author examines the current physiognomy of the sources of financial law and the process of drafting the texts.

The topic of the final thesis is The Legal Status of the Czech National Bank and its Powers. Even though this topic is quite extensive, I have decided to focus on powers of the Czech National Bank with regards to the implementation of the directive establishing a framework for the recovery and resolution of credit institutions and investment firms. In order to fulfill the topic and understand properly the current legal status of the CNB, I included the history of the CNB as well. Based on it, I set forth its status in Czech law with regards to the organizational structure, goals, powers or activities. Subsequently, I addressed the BRRD itself. The CNB obtains new scope of powers with regards to the directive that shall solve the Too big to fail doctrine. This doctrine was highly reflected in politics during the financial crisis in 2008, which begun in the USA after the bubble on a real estate market burst and irresponsible activities of investment banks were disclosed. The investment banks undertook higher risk than they were able to manage. After the bubble burst, consequences of fall of some investment banks would have been more serious than amount of money that was actually needed for bail-out. In order to limit such consequences in future, the BRRD was prepared to tackle this issue. The BRRD...

Magister Legum - LLM / South Africa

Magister Scientiae - MSc / This study examines the behaviour of the South African financial markets with regards to the Geometric Brownian motion process. It uses the daily, weekly, and monthly stock returns time series of some major securities trading in the South African financial market, more specifically the US dollar/Euro, JSE ALSI Total Returns Index, South African All Bond Index, Anglo American Corporation, Standard Bank, Sasol, US dollar Gold Price , Brent spot oil price, and South African white maize near future. The assumptions underlying the Geometric Brownian motion in finance, namely the stationarity, the normality and the independence of stock returns, are tested using both graphical (histograms and normal plots) and statistical test (Kolmogorov-Simirnov test, Box-Ljung statistic and Augmented Dickey-Fuller test) methods to check whether or not the Brownian motion as a model for South African financial markets holds. The Hurst exponent or independence index is also applied to support the results from the previous test. Theoretically, the independent or Geometric Brownian motion time series should be characterised by the Hurst exponent of ½. A value of a Hurst exponent different from that would indicate the presence of long memory or fractional Brownian motion in a time series. The study shows that at least one assumption is violated when the Geometric Brownian motion process is examined assumption by assumption. It also reveals the presence of both long memory and random walk or Geometric Brownian motion in the South African financial markets returns when the Hurst index analysis is used and finds that the Currency market is the most efficient of the South African financial markets. The study concludes that although some assumptions underlying the rocess are violated, the Brownian motion as a model in South African financial markets can not be rejected. It can be accepted in some instances if some parameters such as the Hurst exponent are added. / South Africa

L'innovation financière tire avantage de la déconnexion entre forme juridique et substance économique. Les contrats financiers sur actions permettent de répliquer synthétiquement les attributs économiques de la propriété des actions sans organiser le transfert des droits sur la chose. Tandis que le droit des sociétés reconnaît le principe d'autonomie juridique des contrats financiers à l'égard des actions sous-jacentes en attribuant les droits politiques et pécuniaires de l'associé aux seuls titulaires de la propriété juridique des titres financiers, les principes directeurs du droit boursier conduisent à y faire exception face aux perturbations engendrées par ces techniques de dissociation de la forme juridique et de la substance économique. Affichant son pragmatisme, le régulateur boursier saisit la complexité de cette réalité dérivée pour appréhender, au-delà des catégories juridiques formelles, la substance économique des opérations réalisées. Le droit boursier adopte une approche substantielle de l'avoir et du pouvoir au sein des sociétés par actions, pour déterminer notamment l'application des régimes de déclaration des prises de participations significatives et d'offre publique obligatoire. Apparaissent alors les contours d'une méthode raisonnée de régulation de l'innovation financière en droit des sociétés cotées. La démarche que nous proposons opère tant ex ante sur le plan normatif qu'ex post au stade de la sanction. Elle suppose une réflexion d'ensemble sur l'élaboration de la norme en droit des sociétés cotées et les conditions de son application par le régulateur boursier. dans sa double fonction normative et contentieuse. / The dissociation of legal form and economic substance is one of the main drivers of financial innovation. Equity derivatives allow parties to replicate the economic substance of share ownership without transferring the legal title itself. Whereas corporate law acknowledges the autonomy of the financial contract with respect to the underlying shares by granting voting and dividend rights to their sole legal owner, core principles of securities regulation are challenged by transactions taking advantage of the dissociation between form and substance. Taking a pragmatic stance, the regulator addresses the complexity of this derivative reality by grasping the economic substance of such transactions beyond their mere legal form. Recent developments in the major shareholding notification regime and the mandatory tender offer rule indicate an increasing focus on the substance of beneficial ownership and voting power in listed companies. From this evolution emerge the contours of a regulatory approach aiming to tackle the specific issues raised by financial innovation. The approach we advocate operates both ex ante at the normative stage and ex post at the enforcement stage of the regulatory process. It is an invitation to rethink the determinants of securities regulation as well as the role of the securities regulator in the exercise of its dual power to establish norms and to impose sanctions.