Au lendemain de son indépendance, l’Algérie était confrontée au problème du développement de son potentiel gazier. Pour se soustraire à l’emprise de la France sur ses hydrocarbures, elle décida de placer son gaz dans le marché américain. Cette option visait à développer l’industrie du GNL et à optimiser la rente pour pouvoir financer le développement économique du pays. Après l’échec de ce choix, l’Algérie s’est retournée vers le marché européen. Depuis, les échanges se sont intensifiés au point où l’Algérie est considérée aujourd’hui comme un partenaire énergétique stratégique de l’Union européenne. Cette situation lui donnera-t-elle la possibilité de continuer à approvisionner l’Europe en gaz ? Au regard des contraintes liées à la gestion du secteur de l’énergie, la concurrence des deux gaz russe et qatari et l’entrée prévisible en production des gisements en Mediterrannée orientale, la part du gaz algérien dans la sécurité énergétique de l’Europe constitue-t-elle un enjeu géopolitique ? La présente thèse a pour objectif de confirmer ou d’infirmer la réalité de cet enjeu. Pour cela, elle pose des questions inhérentes aux différentes politiques initiées par l’Algérie durant plus d’un demi-siècle, à sa marge de manœuvre pour se maintenir au troisième rang des fournisseurs de gaz à l’Europe, et à la dépendance de cette dernière en matière de gaz et à ses perceptions géopolitiques à l’égard de ses fournisseurs (principalement, la Russie et les pays producteurs de la rive Sud). / After the National Independence (1962), Algeria was dealing with the difficulties of developing its gas potential. In order to escape the French hegemony of its hydrocarbons resources, Algeria decided to place and invest its gas resources in the US market. This economic option was motivated by the urgent need to develop the LNG industry and to maximize incomes in order to improve the national economic development. After the failure of this economic option, Algeria got back to the European market. Since then, EU – Algeria economic relations have been intensified. Nowadays, Algeria is considered as a strategic EU partner, in the field of energy resources. Does this situation enable Algeria to supply the European economy with gas for a long time? Given the international constraints related to the management of the energy sector, competition from both Russia and Qatar and the new discovered gas reserves in Eastern Mediterranean basin, does the Algerian gas and its importance in EU energy security represent a geopolitical issue?This thesis aims to examin the pertinence of this issue. It seeks to respond to questions related to the various policies initiated by Algeria for more than half a century, to Algeria’s strategy to maintain its position as the third strategic gas supplier of Europe, and to the European energy dependence and its geopolitical perceptions towards its suppliers (especially Russia and the South side of Mediterranean basin producers).

Comovement is ubiquitous in financial markets. The evolution of asset characteristics, such as price, volatility or liquidity, exhibits a high degree of correlation across assets---a phenomenon that in this thesis will generically be denoted with the term comovement. The origins of such comovement are legion. In their investment decisions, economic agents are not only influenced by their idiosyncrasies---a large part of investment motivations are shared over a population. Demographics or the political situation can generate constraints that are similar for a large number of people. A country's geography can greatly influence the sectors in which it is most productive, which implies that many people are sometimes subject to the same risk factors. Moreover, it is well known that mimesis is part of human psychology, and that people mimic their peers even when taking personal decisions. For these reasons, and many more, financial markets have a very systematic character, and studying the nature and intensity of such comovement is important from a risk management point of view. <p>This thesis studies comovement in financial markets under three dimensions. First, I consider comovement in equity liquidity. The liquidity of an asset is the ease with which that asset can be bought or sold. Liquidity can be measured in various ways and the first chapter concludes that market movements of two different liquidity measures have the same origin. Second, I study the impact correlation comovement on the price of stocks. The correlations between stock returns and the market return evolve through time and are correlated themselves. The effect of this correlation comovement on asset prices is however ambiguous and there is not enough evidence to depict a clear image. Finally, I develop a model to investigate contagion dynamics in the secondary market for European sovereign bonds over the past two years. More particularly, I study whether changes in the bond price of one specific country have an impact the next day on the average bond price in Europe. The study concludes of that bonds of France, Ireland, Portugal, Spain and Italy have been most contagious, whereas the much more volatile Greek bonds have had little impact on the other European countries. / Doctorat en Sciences économiques et de gestion / info:eu-repo/semantics/nonPublished

Avec les accords euro-méditerranéens d’association, les pouvoirs publics algériens sont appelés à respecter les engagements internationaux et régionaux qui en résultent. Il s’agit en particulier de mettre en conformité les administrations fiscales et douanières. En effet, les transformations économiques et juridiques que produit la mise en place de ce genre d’accord d’association interpellent notamment les législateurs algériens pour entreprendre des réformes fiscales et douanières qui s’imposent par la libéralisation des échanges. L’objectif est donc de rapprocher le droit fiscal et douanier de l’Algérie avec les législations en vigueur dans les Etats de l’Union européenne et plus généralement euro-méditerranéens. C’est dans ce cadre que notre sujet se propose d’approcher et de débattre la réforme fiscale et douanière en Algérie. Pour cela, ce travail débute par une réflexion sur cet accord d’association, qui passe par l’évolution des relations entre l’Algérie et l’Union européenne. Puis nous abordons plus précisément la question des réformes fiscales et douanières en Algérie dans le cadre de cet accord d’association. Pour terminer nous traitons de l’importance de la bonne gouvernance financière dans le cadre de l’intégration régionale. / With the Euro-Mediterranean Association Agreements, the Algerian authorities are required to comply with the resulting international and regional commitments. This concerns in particular the conformity to the tax and customs administrations. In fact, the economic and legal transformations implemented by such an association agreement demand the Algerian legislators to undertake fiscal and customs reforms required by trade liberalization. The goal, therefore, is to bring the Algerian tax and customs law closer to the laws in force in the European Union states and more particularly in the Euro-Mediterranean ones. It is in this context that we aim through our subject to approach and discuss tax and customs reform in Algeria. For this, the work begins with a reflection on the Association Agreement, achieved through the development of relations between Algeria and the European Union. Then, we tackle specifically the issue of tax and customs reforms in Algeria on the occasion of the Euro-Mediterranean agreements. Finally we discuss the importance of good financial governance in the context of regional integration.

La Libye est une zone clé sur les chemins de la migration entre Afrique et Europe. Si les Libyens ne constituent pas un peuple de migrants, leur territoire, lui, est un lieu de transit fondamental pour les migrations, notamment clandestines, des Africains de toutes origines vers l’Europe, surtout depuis que le Détroit de Gibraltar est étroitement contrôlé. Cette thèse s’interroge sur le phénomène de la migration illégale dans cet espace. Elle tente d’appréhender ce phénomène en relation avec la situation internationale de la Libye, et donc l’évolution sur une période qui couvre l’avant-embargo, l’embargo, et l’après embargo. L’immigration clandestine est un processus complexe qui a des origines aussi nombreuses que diverses, et dont les conséquences se font sentir aussi bien sur les migrants que sur les pays d’origine, de destination et de transit. Ainsi la Libye, pays de transit, considère t-elle désormais tous les enjeux diplomatiques qui se jouent à travers le passage des migrants africains sur son sol. Ses positions sur la scène internationale depuis la création de la Jamahiriya influencent ce facteur stratégique, tout comme elles sont influencées par lui. Au carrefour de la construction euro-méditerranéenne, la Libye sait user de sa situation de zone tampon, notamment dans ses relations avec l’Italie, qui elle-même fait le pont entre l’Union européenne et la Jamahiriya. C’est ainsi que la Libye négocie son implication dans les traités internationaux du type de l’Union pour la Méditerranée. Mais ses décisions politiques dépendent également des politiques de migration européennes, notamment du processus d’externalisation de la question migratoire. En raison de sa situation si spécifique, c’est à ce pays ouvert sur la Méditerranée de peser sur la mise en œuvre de politiques qui dépassent le simple aspect sécuritaire, qui permettent que tous les acteurs de ces vastes mouvements sortent gagnants de ces fluctuations qui sont désormais inéluctables. / Libya is a key area of migration between Africa and Europe. If the Libyans are not considered as migrant population, their territory, it is a fundamental transit point particularly for illegal migrants. The Africans from all origins take this way to Europe because of the enforced control of the Strait of Gibraltar. This thesis examines the phenomenon of illegal migration in this region. It reviews this phenomenon in relation to the international situation of Libya and it’s evolution over the pre-embargo, the embargo and post-embargo period. Illegal immigration is a very complex process that has numerous and various causes. It has many consequences on the migrants, both in countries of origin, transit and destination. This situation raises an important question. Thus is Libya, a transit country in the area, taking into consideration all diplomatic issues that rise from the passing of African migrants on its territory? The political positions of Libya on the international scene have a mutual strategic influence since the creation of the Libyan Jamahiriya. At the crossroads of Euro-Mediterranean point, Libya takes advantage of its position as a buffer; especially in its relations with Italy, which itself is the bridge between the European Union and Libya. This is how Libya negotiates its involvement in international treats such as the Union for the Mediterranean. But the political decisions of Libya depend also on European migration policies, particularly the process of outsourcing of migration issue. Because of its specific location, this country bordered by the Mediterranean must have a direct impact on the policies that go beyond this security aspect. These policies must allow all actors of these vast movements to overcome these fluctuations that are now inevitable.

In context of czech membership in the Europen Union we always discuss the question if the acceptance of the euro as official currency is for our country and czech companies beneficial or not. The aim of this thesis is to describe microeconomic benefits of join the euro for company TECHO, a.s. that I have been working for over two years. TECHO, a.s. is an important provider of comprehensive services for the furnishing of commercial interiors in the Czech republic and its products are available on three continents -- Europe, Asia and Africa. Because of this fact is the question of acceptance or non-acceptance of the euro for this company very important and actual. The method of research is the analysis of exchange rates that I apply on economic results of the firm for years 2005-2009. The analysis should answer the question if the acceptance of the euro is for the firm TECHO, a.s. profitable or not.

The main objective of this thesis is to provide an overview of developments and issues in the context of the European debt crisis. Euro as a central aspect of Economic and Monetary Union has a major impact on convergence and existing systemic problems of the EU. The first chapter provides a brief description of the european integration since World War II in the context of Economic and Monetary union. The second chapter defines the concept of nominal and real convergence and dedicates closer to the Maastricht convergence criteria and the Stability and Growth Pact, which was the result of efforts towards closer fiscal coordination. Moreover, it summarizes the main causes of the financial crisis and subsequently analyses its impact on the EUR/USD currency pair. The fourth chapter focuses on the systemic weaknesses of the eurozone with an emphasis on the imbalance in the current account balance of payments. The last chapter summarizes the approaches to solving the debt crisis assuming that current steps taken by eurozone leaders in cooperation with the governments of intebted members fail.

Purpose: The purpose of this study is to compare the legal requirements for Euro VI and CARB regarding OBD certification in order to identify the challenges that may come for a manufacturer’s move from Euro VI classified heavy-duty engines to engines that meet the requirements of CARB. Furthermore, the study also aims to identify the effects that these challenges will have on the organisation. Research question: What type of challenges arise for a manufacturing company when developing an OBD certification process according to the requirements from CARB compared to Euro VI and how do these challenges affect the organisation? Method: The nature of this study was qualitative with a deductive method as an approach, where theories and empirical findings interacts. The theoretical framework is divided into two parts, in which the first part is obtained from scientific articles and books and the second part from legislations. The empirical data was gathered from interviews at a case study company and the information was thematically analysed. Conclusion: This study concludes that the movement from Euro VI to CARB standards will result in comprehensive changes for a company’s OBD process itself as well as organisational changes within the company. There will be a need to establish new processes and new ways of working within the organisation which can lead to comprehensive coordination difficulties that should be taken into consideration. In conclusion, it is as important to consider the effects of the changes that this movement will bring on the company and the actors within, as it is with the implementation of the process itself. / Syfte: Syftet med denna studie är att jämföra lagkraven för Euro VI och CARB angående OBD certifieringen och därmed identifiera de utmaningar som kan uppstå i och med övergången från Euro VI klassificerade motorer till motorer som uppfyller kraven från CARB. Vidare syftar studien även till att undersöka hur dessa utmaningar påverkar organisationen. Forskningsfråga: Vilka utmaningar uppstår för ett tillverkande företag vid utveckling av en OBD certifieringsprocess enligt lagkrav från CARB i jämförelse med Euro VI och hur påverkar dessa utmaningar organisationen? Metod: Denna studie är av en kvalitativ karaktär som är baserad på en deduktiv forskningsmetod. Den teoretiska referensramen är uppdelat i två sektioner, vari den första är baserad på vetenskapliga artiklar och böcker och den andra från lagkrav. Empiriska data har samlats från intervjuer på fallstudieföretaget och metoden som har använts för att analysera materialet är tematisk analys. Slutsats: Denna studie konkluderar att övergången från Euro VI till CARB lagkrav resulterar i omfattande förändringar för företagets OBD process och bringar organisationsförändringar inom företaget. Det kommer att finnas ett behov av att etablera nya processer och nya arbetssätt inom organisationen som kan leda till omfattande samordningsproblem som bör has i åtanke. Sammanfattningsvis är det av yttersta vikt att ta hänsyn till de organisationsförändringarna som förväntas uppstå i och med denna förändring och inte enbart fokusera på att implementera en ny process.

La prématurité, définie par une naissance avant 37 semaines d’aménorrhées (SA), est une cause majeur de mortalité et de morbidité infantile. Comparés aux enfants nés à terme, les prématurés font face à des risques importants de troubles moteurs et cognitifs durant l'enfance, ainsi que de maladies chroniques et décès prématurés à l’âge adulte. La prématurité constitue un enjeu important de santé publique et en Europe, les taux varient entre 5 et 10%. Notre objectif pour cette thèse était de mieux comprendre les sources d’hétérogénéité des taux à l’échelle des pays. Dans un premier temps, nous avons effectué une revue exhaustive de la littérature qui montre que les caractéristiques maternelles, les pratiques médicales, et les méthodes d'estimation de l'âge gestationnel ont un impact sur les taux de prématurité. Cependant, ces facteurs n'expliquent pas l’ampleur des différences observées entre les pays. Puis, en utilisant des données sur les femmes enceintes, les nouveau-nés et les mort-nés dans 34 pays à revenus élevés de 1996 à 2010, nous avons établi que: 1) les différences d'enregistrement des naissances dans les pays à revenus élevés ont un impact limité sur les taux, sauf pour les naissances à 22-23 SA, 2) les tendances de PTB dans les pays sont associées à des variations plus importantes dans la distribution des âges gestationnels 3) et enfin, en utilisant les données d'un échantillon représentatif des naissances en France en 2010, qu’il existe des facteurs de risques maternels prénatals et socio-démographiques communs aux naissances avant terme (<37SA) et proche du terme à 37-38 SA. Viser à réduire les facteurs de risques de la naissance proche du terme et de la prématurité dans une approche conjointe pourrait apporter un nouvel élan à la prévention de la prématurité. Comparés aux enfants prématurés, les enfants nés proche du terme sont individuellement moins à risque, mais à l’échelle des pays ces enfants représentent environ une naissance sur quatre et ils contribuent de manière importante au fardeau de morbi-mortalité néonatale et infantile. Au niveau national, élargir les efforts de prévention de la prématurité à cette nouvelle population-cible pourrait avoir un plus grand impact sur la santé publique. / Preterm birth (PTB), defined as birth before 37 weeks, is a leading cause of infant mortality and morbidity. Compared to term infants, preterm infants face important risks of motor and cognitive impairments throughout childhood, as well as chronic diseases and premature death later in life. PTB represents a significant public health burden and in Europe, rates range between 5 and 10%. Such wide differences suggest that reductions may be possible, but there are few effective interventions, and these tend to target selected groups of high-risk pregnancies, based on clinical risk factors. Our aim for this thesis was to better appraise sources of population-level PTB rate variations and trends. First, we conducted an exhaustive review of the literature and found that maternal characteristics, reproductive policies, medical practices and methods of gestational age (GA) estimation affected PTB rates, but could not explain observed differences across countries. Next, using population-based data on pregnant women, newborns and stillbirths in 34 high-income countries from 1996 to 2010, we showed that: 1) reporting criteria for births and deaths affected PTB rates at early gestations and PTB rankings, but differences between countries with high and low rates are not just due to artefact 2) PTB trends were associated with broader shifts in countries’ gestational age GA distribution of births, and 3) using data from a representative sample of births in France in 2010, that there were shared maternal prenatal and socio-demographic risk factors for deliveries that did not reach full term, at 39 weeks GA. Our work confirms that recording differences in high-income countries have a limited impact on PTB rate variations. However, a broader focus on earlier delivery, including early term birth at 37-38 weeks, could shed light on the determinants of low PTB rates and provide a useful public health prevention paradigm.

This diploma thesis deals with increasing the efficiency of the assembly workplace (production line). Thesis gradually discusses with lean production, their basic methods and the EURO VI emission standard, which is closely related to the produced product. In the main part, an analysis of the current state is performed with the help of the above-mentioned methods and a proposal of solutions to ensure efficiency. On the base of these findings, the automation of the test station is proposed, including a 3D model, drawing documentation, phases of implementation and real cost calculations with a final assessment of efficiency, return of investments and risk analysis. The second elaborated complementary variant deals with the ergonomics of the production line and includes a 3D model of newly designed tables, real calculations and final economic evaluation.

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