In order to understand strategic interactions among firms, we often need to estimate the parameters of static discrete games with complete information. This class of games is difficult to estimate because the possibility of multiple equilibria invalidates the use of methods such as MLE and GMM....

This dissertation comprises three essays on theoretical analysis of middlemen in intermediated markets. Chapter 1 gives a brief survey on the market intermediation literature and also briefly describes the subsequent chapters.In Chapter 2 I study the role of horizontally differentiated middlemen...