نبذة مختصرة : This thesis investigates different social and political aspects of modern economies. The first chapter contributes to the natural resource curse debate, by showing that the impact of resource windfalls is different among democracies and autocracies. The results also point to the existence of a large heterogeneity in the response to resource shocks among autocracies. The second chapter focuses on metropolitan areas in the US, and deals with the issue of social capital formation. I examine one important aspect of social capital, trust, and argue that it is lower when income inequality between different racial groups in the metropolitan area is higher. The third chapter studies the relation between media influence and electoral voting in Italy. I relate electoral outcomes at the municipal level to differences in signal reception of Silvio Berlusconi's private TV network. The results show that greater exposure to commercial television increases support for Silvio Berlusconi's party.
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