This thesis is a collection of three essays on labor economics from a macroeconomic prospective. Chapter 1 discusses imperfect information, self-selection and the market for higher education. It explores how the steady trends in increased tuition costs, college enrollment and returns to...

This thesis consists of three chapters studying dynamic economies in general equilibrium. The first chapter considers an economy in business cycles with potentially imperfect financial markets. The second chapter investigates an economy in its balanced growth path with heterogeneous firms. The...

This thesis is a collection of three essays on dynamic sales mechanisms. The first chapter analyzes the Name Your Own Price (NYOP) mechanism adopted by Priceline.com. Priceline.com, a website helping travelers obtain discount rates for travel-related items, gained prominence for its Name Your...