In this dissertation I study theories on auctions with participation costs withvarious information structure.Chapter II studies equilibria of second price auctions with differentiated participationcosts. We consider equilibria in independent private values environments wherebidders? entry costs...

We model a single-club-heterogeneous-consumer-exogeneous-income economy as an aggregative public good game. Under common assumptions, if club quality functions are homogeneous of positive degree in the club facility investment and use, an unique Nash equilibrium exists.

This paper considers contests in which the efforts of the players determine the value of the prize. Players may have different valuations of the prize and different abilities to convert expenditures to productive efforts. In addition, players may face different financial constraints. This paper...

This paper considers a contest with an endogenous prize, which is increasing in aggregate efforts of the players. Each player may have a different valuation of the prize and a different ability to convert expenditures to productive efforts. Under standard assumptions in the literature, we prove...