This dissertation consists of three chapters on adverse-selection type insurance markets. Chapter 1 develops a model for analyzing non-exclusive insurance markets. It establishes that the "screening" considerations of models following Rothschild and Stiglitz (1976)-long applied for analysis of...

Chapter 1 analyzes Pareto optimal non-linear taxation of profits and labor income in a private information economy with endogenous firm formation. Individuals differ in both their skill and their cost of setting up a firm, and choose between becoming workers and entrepreneurs. I show that a tax...