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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
11

CAPITALISMO COMO RELIGIÃO: Uma crítica a seus fundamentos mítico-teológicos. / Capitalism as religio: a critique of theirmythic teological fundamentals

Coelho, Allan da Silva 03 November 2014 (has links)
Made available in DSpace on 2016-08-03T12:19:47Z (GMT). No. of bitstreams: 1 AllanSilvaCoelho.pdf: 1332997 bytes, checksum: 5db0ebac02bd2c3cddf4fdee0895a50a (MD5) Previous issue date: 2014-11-03 / Coordenação de Aperfeiçoamento de Pessoal de Nível Superior / Would be possible to understand capitalism as religion? In categorical landmarks of modernity, based on rationalization and secularization, relate economics and religion is a nonsense. The capitalism is a secular system economic, so unrelated with religion. However, if critique of capitalism as religion not reduced to a simple metaphor, is necessary to find alternative concepts that capture the theoretical strength of this articulation. What kind of analytical framework reveals the limits of instrumental reason in make explicit the religious functioning of capitalism? The critical depth of capitalism as religion comes precisely from the intriguing junction between rational analyses of the structural functioning of capitalism (fetish) with the subjective dimension that drives as motivation (spirit). Even being a rational and non-religious system, which submits the human life to domestic laws destitute of any human sense, the capitalism develops not intentionally in the human interaction an operating structure based on sacrificial mythical-religious. The Human relationships are mediated by merchandise where the consumption takes on a central aspect in the meaning of the life and the symbolic reproduction of society. In the production and distribution of goods, the violence process, which explores, excludes and kills, is the same that generates fascination and adhesion. The visible expression of this spirit is no longer in traditional religious institutions, but in capitalism itself. Benjamin asserts that capitalism replaces the religion. Is a critique of a system of blaming the victims and the capitalists themselves, in that it never accumulate infinite and fully. Is a complaint of mythical elements that generate religious legitimacy to the fascination that hidden the barbarism. The theologians of DEI School also articulate his theory with critical purpose, in a theological approach that search to discern and criticize the idolatry in the world today. Looking for to understand the producing mechanisms of death placing the blame the victims as necessary sacrifice in the name of the hope of redemption. The theological discernment of capital idolatry supposes a kind of theological reason of non-confessional character, which surpassing the limits of modern epistemology, explains the contradiction of the presuppositions of modern western civilization. Reveals the role of the mythical-theological thinking in the hiding of the sacrificial character and seductive of the capitalism spirit. At the same time, emphasizes the necessary overcoming of positivistic interpretation of religion by criticizing reductionism of modern epistemology in the identification of instrumental reason with the human rationality. Renews the analytical tools from the spiritual setting of Capitalism and sees the loopholes of its overcoming. / Seria possível compreender o capitalismo como religião? Nos marcos categoriais da Modernidade, baseada na racionalização e na secularização, relacionar economia e religião é um contrassenso. O capitalismo é sistema econômico secular, portanto sem relação com religião. Entretanto, se a crítica do capitalismo como religião não se reduz a uma simples metáfora, é necessário encontrar conceitos alternativos que captem a força teórica desta articulação. Que tipo de quadro analítico desvela os limites da razão instrumental em explicitar o funcionamento religioso do capitalismo? A profundidade crítica de capitalismo como religião advém justamente da junção intrigante entre a análise racional do funcionamento estrutural do capitalismo (fetiche) com a dimensão subjetiva que o impulsiona como motivação (espírito). Mesmo sendo um sistema racional e não-religioso, que submete a vida humana a suas leis internas desprovidas de qualquer sentido humano, o capitalismo desenvolve não-intencionalmente na interação humana uma estrutura de funcionamento com fundamento mítico-religioso sacrificial. As relações humanas são mediadas pelas mercadorias, em que o consumo adquire um aspecto central na significação da vida e na reprodução simbólica da sociedade. Na produção e distribuição de mercadorias, o processo de violência que explora, exclui e mata é o mesmo que gera fascínio e adesão. A expressão visível deste espírito não está mais nas tradicionais instituições religiosas, mas no próprio capitalismo. Benjamin afirma que o capitalismo substitui a religião. É uma crítica de um sistema de culpabilização das vítimas e dos próprios capitalistas, na medida em que estes nunca acumulam de modo infinito e pleno. É uma denúncia dos elementos míticos que geram legitimação religiosa para o fascínio que oculta a barbárie. Os teólogos da Escola do DEI também articulam sua teoria com finalidade crítica, numa abordagem teológica que procura discernir e criticar a idolatria no mundo de hoje. Buscam entender os mecanismos de produção de morte com a culpabilização das vítimas como sacrifício necessário em nome da esperança de redenção. O discernimento teológico de idolatria do capital supõe um tipo de razão teológica de caráter não-confessional que, superando os limites da epistemologia moderna, explicite a contradição dos pressupostos da civilização moderna ocidental. Revela o papel do pensamento mítico-teológico na ocultação do caráter sacrificial e sedutor do espírito do capitalismo. Ao mesmo tempo, enfatiza a necessária superação da interpretação positivista da religião ao criticar o reducionismo da epistemologia moderna na identificação da razão instrumental com a racionalidade humana. Renova o instrumental analítico da configuração espiritual do Capitalismo e vislumbra as brechas de sua superação.
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Economia solidÃria, o novo espÃrito do capitalismo e o governo das subjetividades: uma anÃlise do discurso dos trabalhadores do assentamento Coqueirinho / Solidarity economy, the new spirit of capitalism and the government of subjectivities: a discourse analysis of the Coqueirinho settlement workers.

Camila Moreira Maia 16 July 2013 (has links)
CoordenaÃÃo de AperfeiÃoamento de NÃvel Superior / Este trabalho visa a compreender de que forma discursos de trabalhadores de empreendimentos coletivos solidÃrios ajudam a reproduzir a ordem social caracterÃstica do Ãltimo capitalismo (a partir de 1970). Segundo a Nova Sociologia do Capitalismo, cada versÃo do modelo de produÃÃo capitalista tem sido acompanhada por uma ideologia que o justifica. Essa ideologia, denominada de âespÃrito do capitalismoâ, transforma-se ao sabor das crÃticas que lhe sÃo empreendidas. Um novo espÃrito surge, entÃo, como resultado da articulaÃÃo entre espÃrito anterior e crÃtica que Ã, atendida, apenas, parcialmente, perdendo seu poder de reivindicaÃÃo. O novo espÃrito do capitalismo surge em respostas Ãs crÃticas das dÃcadas de 1960 e fundamenta-se pelo funcionamento em redes, pela flexibilidade e pelo incentivo à autonomizaÃÃo dos sujeitos. Sob a perspectiva da AnÃlise CrÃtica do Discurso, o novo espÃrito do capitalismo trata-se de uma ordem de discurso que, ao mesmo tempo em que constrange o discurso de atores sociais, à constrangida por eles. Essa ordem de discurso, entÃo, pode ser incorporada ao discurso dos sujeitos em suas diversas funÃÃes, seja de representaÃÃo, de inter(aÃÃo) ou de identificaÃÃo e isso, à o que permite sua reproduÃÃo. A Economia SolidÃria tem sido adotada nos Ãltimos governos (2002 â 2013) como estratÃgia de resoluÃÃo da âquestÃo socialâ. Considerando a Ãntima relaÃÃo entre Estado e manutenÃÃo de ordens hegemÃnicas, percebe-se que esses incentivos do Governo Federal a empreendimentos coletivos solidÃrios tÃm-se apresentado como uma das manifestaÃÃes da incorporaÃÃo de elementos da crÃtica que favorece Ãs reestruturaÃÃes capitalistas. Nossa argumentaÃÃo reside na resposta a trÃs hipÃteses de trabalho: a primeira diz respeito à correspondÃncia entre o discurso da ES com a crÃtica ao segundo espÃrito do capitalismo, uma vez que partilham das reivindicaÃÃes desenvolvidas tanto pelos movimentos operÃrios do sÃculo XIX, como pelos movimentos sociais da dÃcada de 1960. A segunda defende a aproximaÃÃo do discurso de trabalhadores de ES Ãs ideologias que tem justificado o novo espÃrito do capitalismo e a terceira consiste no entendimento da ES como uma estratÃgia de governo das subjetividades, uma vez que engendram um sentimento de empoderamento no trabalhador solidÃrio que cessa sua motivaÃÃo para a crÃtica. Realizamos uma aproximaÃÃo etnogrÃfica a uma associaÃÃo de agricultores assentados do interior do Estado do Cearà que funciona nos moldes da Economia SolidÃria. O corpus de pesquisa foi obtido atravÃs de diÃrios de campo, construÃdos a partir de observaÃÃo participante e de entrevistas individuais, e analisado à luz da AnÃlise de Discurso CrÃtica. Concluiu-se que: o Estado se compromete ambiguamente com a superaÃÃo da pobreza e do desemprego e com formas neoliberais de gestÃo que sÃo, elas prÃprias, geradoras de desigualdade; a relaÃÃo entre o trabalhador solidÃrio e o Estado à contraditÃria, pois, ao mesmo tempo em que aquele desenvolve atividades produtivas que visam à autonomia em relaÃÃo a este, seu discurso aponta para a dependÃncia dos incentivos concedidos pelo mesmo; por fim, hà uma incoerÃncia entre a condiÃÃo precÃria do trabalhador e o seu sentimento de autonomia, de liberdade e de seguranÃa. / This work aims to understand how discourses of workers of solidarity collective enterprises help reproduce the social order characteristic of the last capitalism (since 1970). According to the New Sociology of Capitalism, each version of the model of capitalist production has been accompanied by an ideology that justifies it. This ideology, called the "spirit of capitalism", is transformed by the criticisms that it receives. A new spirit, then, arises, as a result of the relationship between the former spirit and the criticism that is only partially met, and, hence, loses its demanding power. The new spirit of capitalism arises in response to criticism from the 1960s and is based on networking, flexibility and the incentive for the empowerment of individuals. From the perspective of Critical Discourse Analysis, the new spirit of capitalism is an order of discourse that constrains the discourse of social actors whilst being constrained by it. This order of discourse can, thus, be incorporated into the discourse of the subjects in its various roles, be it of representation, of inter(action) or identification, and this is what allows its reproduction. Solidarity Economy has been adopted by the last governments (2002 - 2013) as a strategy for solving the "social issue". Considering the close link between the State and the maintenance of hegemonic orders, it is clear that these incentives from the Federal Government to solidarity collective enterprises have been presented as one of the manifestations of the incorporation of elements of criticism that benefit capitalist restructuring. Our argument lies in the response to three working hypotheses: the first concerns the correspondence between the discourse of Solidarity Economy and the criticism to the second spirit of capitalism, since they share the claims developed by both the labor movements of the nineteenth century and the social movements of the 1960s; the second advocates the closeness between the speech of solidarity economy workers and the ideologies that have justified the new spirit of capitalism; and the third consists in the understanding of Solidarity Economy as a strategy for the government of subjectivities, once it promotes the feeling of empowerment in the solidarity worker that ceases his motivation for criticism. We conducted an ethnographic approach in an association of farmers settled in the state of CearÃ, which functions along the lines of Solidarity Economy. The research corpus was obtained from field diaries, made from participant observation and interviews, and analyzed through Critical Discourse Analysis. It was concluded that the State ambiguously engages in overcoming poverty and unemployment and in neoliberal forms of management that generate inequality. The relationship between the solidarity worker and the State is contradictory because, while the first develops productive activities aimed at autonomy regarding the latter, their speech points to the dependence on the incentives granted by it. Lastly, there is inconsistency between the workersâ precarious condition and their feelings of autonomy, freedom and security.
13

Det som tillhör Gud : Helgelsens betydelse för bibelteologisk ekonomisk reflektion / The things of God : The significance of sanctification in biblical theological reflection on economy

Abrahamsson, Patrick January 2023 (has links)
The aim of this essay is to examine the significance of the concept of sanctification in biblical theological reflection on economics through a comparative textual study. The theologians analyzed are Albino Barrera, Wayne Grudem, and Kathryn Tanner. In what way are their biblical and systematic theologies of economics related to their understanding of the concept of sanctification? What is the relationship between sanctification and the Bible’s words on economics? In a broader perspective, the essay aims to reflect on how the concept of sanctification can be viewed and enunciated in the light of a capitalist economic system. The theologians used in the essay all have their origins in disparate theological discourses, Christian communities, and academic disciplines. Barrera is a biblical scholar, economist and a priest in the Catholic Church. In Biblical Economic Ethics, Barrera writes an economic theology with an emphasis on social justice. Grudem is a Calvinist Baptist biblical scholar and systematic theologian, active in conservative evangelical theological discourse. In Politics according to the Bible, Grudem presents his biblical theology on politics and society. Tanner is a systematic theologian in the Episcopal Church, active in the disciplines of feminist and constructive theology. In Christianity and the New Spirit of Capitalism, she critiques the economic paradigm she describes as the new spirit of capitalism. Barrera, Grudem, and Tanner all make different readings of what the Bible has to say about economic life. Grudem actively endorses the economic system of today, while Barrera and Tanner have a more critical voice. Barrera sees sanctification as a gift of divine friendship from God. Grudem views sanctification as what comes after conversion from sin and the blessings granted by God. Tanner means that sanctification takes place through the work of the Spirit and by Jesus’ gift of a life in holiness. Through the essay a connection has been established between a person’s view on sanctification and their biblical theology on economics. Barrera’s, Grudem’s, and Tanner’s biblical theology on economics is closely connected to their understanding of the concept of sanctification. There seems to be a connection between the biblical material that is being analyzed, how it is analyzed, and what is being left out. A central finding in the essay is the connection between the understanding of sanctification as either a gift or a reward.
14

The capitalist spirit in the business elite in Gujarat

Myrczik, Janina Eva Maria 26 October 2018 (has links)
Mehr als zwei Jahrzehnte nach der wirtschaftlichen Liberalisierung Indiens kam es zur Herausbildung einer neuen Kultur des Unternehmergeistes, eines kapitalistischen Geistes. Sie umfasst die Wiederbelebung traditioneller wie auch das Entstehen angeblich moderner Werte. Die Kultur des Unternehmergeistes bezog sich vorwiegend auf die aufstrebende Mittelschicht des Landes. Diese Arbeitet erforscht wie der kapitalistische Geist in der Wirtschaftselite im indischen Bundesstaat Gujarat entsteht. Das Ziel der Forschung liegt in der Erklärung von Ungleichzeitigkeit im kapitalistischen Geist. Gujarat bietet sich als Region für eine solche Analyse an, da der Staat sowohl über wirtschaftliche Traditionen verfügt wie auch eine starke wirtschaftliche Öffnung erfährt. Den kapitalistischen Geist fasse ich als kapitalistisches Ethos im Anschluss an Pierre Bourdieus Konzept des Habitus. In Kombination mit Boike Rehbeins Konzept der Soziokultur, welches nebeneinander bestehende Lagen mit unterschiedlichen sozio-historischem Ursprüngen in einer Gesellschaft erklärt, gehe ich der Forschungsfrage nach dem Entstehen des kapitalistischen Geistes nach. Die Forschung wurde mittels der Dokumentarischen Methode mit qualitativen Interviews mit der Wirtschaftselite in Gujarat durchgeführt. Dem kapitalistischen Ethos in der Wirtschaftselite in Gujarat liegen drei Soziokulturen zugrunde, die mit der Britischen Kolonialzeit und Industrialisierung (1850-1947), mit der Zeit der eingeschränkten Wirtschaft (1947-1991) und mit der wirtschaftlichen Liberalisierung (1991) entstanden. Das kapitalistische Ethos wird in den Soziokulturen verschiedentlich interpretiert. Ich habe drei kapitalistische Ethoi rekonstruiert: das Mahajan Ethos, das Nehruvianische Ethos und das Neoliberale Ethos. / Almost two decades after India’s economic liberalization, scholars found the emergence of a new moral order. This new enterprise culture, or capitalist spirit, entailed the revival of traditional as well the formation of putatively modern values. While this enterprise culture accounted mostly to the emerging middle class in the country, similar changes were observed at the core of industrial capitalism: management styles, which remained unstudied sociologically. This thesis investigates how the capitalist spirit in the business elite in the Indian state of Gujarat emerges. The purpose of this study is to explain the emergence of asynchronicity in the capitalist spirit. Studying the business elite in a state with a stronghold in business traditions as well as a stark economic liberalization contributes to the above mentioned studies. Based on literature review I argue for the capitalist spirit as capitalist ethos, drawing on Pierre Bourdieu’s habitus concept in combination with Boike Rehbein ‘s concept of socioculture, which explains coexisting layers in societies of different socio-historical origins. This research interest was operationalized with the documentary method, conducting qualitative interviews with the top business leaders in Gujarat. In this study, the capitalist ethos in the business elite in Gujarat emerges in three sociocultures that arose with British colonialism and industrialization (1850-1947), with the restricted economy (1947-1991), and with economic liberalization (1991). The capitalist ethos is differently interpreted in the sociocultures and therefore gains different meaning. I reconstructed the three capitalist ethoi of the Mahajan Ethos, the Nehruvian Ethos and the Neoliberal Ethos, respectively.
15

De l'idéologie des industries créatives aux politiques de reconfiguration territorialisées : le cas du territoire métropolitain lyonnais / From creative industries ideology to territorialized reconfiguration policies : the case of the metropolitan Lyon area

Bihay, Thomas 23 May 2019 (has links)
Cette recherche porte sur la façon dont les industries créatives, appréhendées en tant qu’idéologie et théorie scientifiquement construite, se déploient de manière non linéaire de l’international au local à travers les discours et pratiques d’acteurs hétérogènes (politiques, industriels, culturels…) jusqu’à leur opérationnalisation dans le cadre de politiques de reconfiguration du territoire local. Ces dernières désignent les politiques visant à transformer durablement la représentation d’un territoire donné. Pour ce faire, l’étude se concentre sur le cas du territoire métropolitain lyonnais, emblématique de plusieurs processus à l’œuvre depuis une quarantaine d’années (mondialisation, développement des TICN, décentralisation, métropolisation...) et des politiques de reconfiguration menées sur d’autres territoires (Berlin, Reims, Lille…). L’analyse se déploie en trois temps.Tout d’abord, nous analysons comment les industries créatives sont définies et promues à travers les discours d’institutions internationales, nationales et locales (Unesco, DCMS, France Créative…). Trois types de discours se distinguent : ceux à visée entrepreneuriale explicite ; ceux abordant les industries créatives comme un ensemble de secteurs liés aux industries culturelles, auxquels sont adjoints quelques autres plaçant la « créativité » au cœur de leurs activités ; enfin, les discours les appréhendant comme le pilier central du développement territorial. Ces types de discours institutionnels ont cependant encommun d’entrer en résonnance avec ceux des promoteurs du nouvel esprit du capitalisme. Ensuite, nous accordons une attention particulière aux discours et pratiques des professionnels de la reconfiguration territoriale, à savoir ceux de la communication publique et territoriale auxquels s’ajoutent désormais ceux du marketing territorial. Ces professionnels constituent des intermédiaires contribuant à la diffusion des industries créatives par la promotion de présupposés, pratiques et agencements entrant en résonnance avec ceux diffusés dans les discours institutionnels. Si un lexique, des notions et méthodes issues des sciences de gestion supplantent les références faites à la créativité et aux politiques territoriales axées sur l’innovation et la créativité, un décalage s’opère cependant entre leurs discours et leurs pratiques effectives.Enfin, nous nous intéressons à la façon dont les industries créatives sont réinvesties dans le cadre de politiques de reconfiguration territoriale du territoire métropolitain lyonnais pour en susciter et diffuser une représentation créative. La réflexion s’articule ici sur la façon dont ces politiques portent sur une triple reconfiguration territoriale (tangible, réticulaire et symbolique). En particulier, nous nous intéressons à l’opérationnalisation des grands événements culturels et artistiques, des projetsd’aménagement du territoire et de réseaux d’acteurs mis en place sur le territoire dans l’objectif d’en susciter une représentation créative. Les pratiques et agencements mis en place sur ce territoire s’inscrivent dans la continuité ou entrent en résonnance avec ceux prescrits dans les discours institutionnels et dans ceux des professionnels de la reconfiguration territoriale.En définitive, nous montrons comment l’idéologie des industries créatives se déploie à travers les discours et pratiques d’acteurs hétérogènes qui entrent en résonnance et, de ce fait, contribuent à renforcer cette idéologie. Notre étude prête attention aux circulations, qui ne sont pas uniquement descendantes ou prescriptives mais qui sont aussi des réappropriations et des interprétations des industries créatives par ces acteurs. Les logiques propres aux acteurs étudiés sont mises en évidence, tout en soulignant comment leurs discours et pratiques entrent en interaction. / This research focuses on how creative industries, apprehended as ideology and scientifically constructed theory, deploy in a non-linear way from the international to the local through the discourses and practices of heterogeneous actors (political, industrial, cultural ...) to their operationalization as part of local territory policies of reconfiguration. These refer to policies aiming at transforming the territory image. This work focuses on the metropolitan area of Lyon, which is emblematic of several processes taking place for forty years (globalization, development of ICT, decentralization...) and reconfigurationpolicies conducted in other territories (Berlin, Reims, Lille...). The analysis deploys in three steps.First, we analyse how the creative industries are defined and promoted through institutional discourses (Unesco, DCMS, Creative France...). Three types of discourses are distinguished: those with explicit entrepreneurial goals; those addressing the creative industries as ensemble of sectors related to cultural industries, to which are added few others placing "creativity" at the heart of their activities; finally, the discourses that apprehend creative industries as the central pillar of territorial development. Nonetheless, these types of institutional discourses have in common to resonate with those of the promoters of the New Sprit of Capitalism.Then, we pay particular attention to discourses and practices of professionals of the territorial reconfiguration, namely those of the public and territorial communication to which are added those of the territorial marketing. These professionals are intermediaries who contribute to the diffusion of the creative industries by promoting assumptions, practices and arrangements resonating with those disseminated in institutional discourses. If a lexicon, notions and methods from management sciencessupplant references to creativity and territorial policies focusing on innovation and creativity, a gap between their discourses and their actual practices exists.Finally, we are interested in the way in which the creative industries are reinvested in the territorial reconfiguration policies of the metropolitan area of Lyon in order to create and disseminate a creative image. The reflection is articulated here on the way in which these policies are related to a triple territorial reconfiguration (tangible, reticular and symbolic). In particular, we are interested in the operationalization of major artistic and cultural events, spatial planning projects and stakeholder networks taking place on the territory aiming generating creative image. The practices and arrangements realized on the territory are in continuity or resonate with those prescribed in the institutional discourses and those of the professionals of the territorial reconfiguration.In the end, we show how the ideology of the creative industries deploys through discourses and practices of heterogeneous actors that resonate and, as a result, contribute to reinforce this ideology. Our study pays attention to circulations, which are not only downward or prescriptive but are also re-appropriations and interpretations of the creative industries by those actors. The logics of the actors studied are stressed, while showing how their discourses and practices are in interaction.
16

L’entrepreneur hacker. L’ethos de travail des entrepreneurs web

Richard, Sophie 05 1900 (has links)
No description available.
17

Prix d'actifs, bulles et fluctuations macroéconomiques / Asset prices, bubbles and macroeconomic fluctuations

Clain-Chamosset-Yvrard, Lise 13 October 2015 (has links)
Cette thèse traite des interactions entre les sphères financière et réelle de l'économie. Elle se compose de quatre chapitres. Dans les deux premiers chapitres, nous étudions l'existence et les fluctuations d'une bulle spéculative rationnelle, comme source de la volatilité des prix d'actifs, en prenant en compte les imperfections financières dans la modélisation des choix des ménages. L'existence d'un choix de portefeuille et de frictions financières favorisent l'émergence des fluctuations d'une bulle et des cycles économiques endogènes. Dans un tel contexte, nous analysons le rôle stabilisateur des politiques fiscales et/ou monétaires. Dans le chapitre 1, nous montrons qu'une politique monétaire répondant aux prix des actifs permet de stabiliser l'économie dans son ensemble. Dans le chapitre 2, nous comparons les vertus stabilisatrices d'un impôt progressif sur le revenu de capital à celles d'une politique monétaire régie par une règle de Taylor. Nous montrons qu'un impôt progressif sur le capital permet de stabiliser l'économie en réduisant la probabilité d'apparition des fluctuations endogènes, alors qu'une règle de Taylor a des vertus stabilisatrices mitigées. Nous étudions, dans le chapitre 3, l'existence de bulles rationnelles dans une économie ouverte à deux pays et la transmission internationale de leur éclatement. L'éclatement de la bulle dans un pays se transmet nécessairement à l'autre pays. L'effet de l'éclatement peut être positif ou négatif sur l'autre pays. Dans le chapitre 4, nous analysons le rôle de l'hétérogénéité sur la dynamique des prix d'actifs et les inégalités lorsque les agents ont des préférences pour la richesse. / This thesis deals with the interplay between the financial and real sectors of the economy. This thesis consists of four chapters. In the first two chapters, we study the existence and endogenous fluctuations of rational speculative bubbles, as a source of volatility in asset prices, taking into account the financial imperfections at the household level. We argue that the existence of a portfolio choice and financial frictions promote the emergence of bubble fluctuations and endogenous business cycles. In this context, we analyze the stabilizing role of fiscal and/or monetary policies. In Chapter 1, we show that a monetary policy responding to asset prices can stabilize the economy as a whole. In Chapter 2, we compare the stabilizing virtues of a progressive taxation on capital income with those of a monetary policy managed by a Taylor rule. We show that a progressive taxation on capital may rule out endogenous fluctuations, whereas a monetary policy under a Taylor rule has a mitigated stabilizing role. In Chapter 3, we study, the existence of rational bubbles in a two-country economy, and the international transmission of their bursting. A bubble bursting in a country necessarily transmits to the othercountry. The effect of a bubble crash in one country onthe bubble issued by the other country can be positive or negative. In Chapter 4, we analyze the role of heterogeneity on the dynamics of asset prices and inequalities when economic agents have preferences for wealth. Heterogeneity in preferences, but also in income, can heighten social inequalities and increase the asset price in the long run, but also promote asset price volatility in the short run.

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