This thesis consists of three independent contributions in the area of microeconomic theory. All three contributions share the feature of agents holding multidimensional private information which motivates the title of the thesis. Part 1, entitled “Consistency and Communication in...

This paper studies the role of exchange policies as a price discrimination device in a sequential screening model with heterogeneous goods. In the first period, agents are uncertain about their ordinal preferences over a set of horizontally differentiated goods, but have private information...

Using a formal principal-agent model, I investigate the relation between monetary gift-exchange and incentive pay, while allowing for worker heterogeneity. I assume that some agents care more for their principal when they are convinced that the principal cares for them. Principals can signal...