This dissertation is composed of three independent essays in economic theory. In the first essay, a pure exchange model where households face liquidity constraints because of the incomplete nature of the financial system is analyzed. Some properties of the equilibrium correspondence which maps...

We first analyze a pure bargaining problem where n players can split a pie on a unanimous agreement. All players have the same utility function of the form $\delta s$ where $s$ is the share of a player and $\delta$ the discount factor. We present four simple bargaining processes where a player's...

This thesis contains three essays in which the formation of coalitions affects players' bargaining power in input markets. The first essay considers two independent bilateral monopoly markets. It shows that integrating two players on the same side of these independent bilateral monopoly markets...

Experimental evidence stresses the importance of so-called social preferences for understanding economic behavior. Social preferences are defined over the entire allocation in a given economic environment, and not just over one's own consumption as is traditionally presumed. We study the...