. The numerical analysis literature offers many reliable methods, and should be used because alternatives derived from … difference methods from numerical analysis produces far superior approximations than do simple discrete-time systems …

common such contracts have become after deregulation, there is a lack of quantitative analysis of their impact on the economy …. To fill this gap, we build a general equilibrium model with heterogeneous agents and firing costs in the tradition of …

presence of a redistributional tax policy, credit market constraints, administrative costs of tax collection, and lack of … government commitment. We characterize how decreasing migration costs for skilled workers affect the time-consistent policies of … in migration costs is Pareto improving when migration costs are high, but have ambiguous effects when these costs are low …

This paper surveys the measurement of trade costs --- what we know, and what we don't know but may usefully attempt to … find out. Partial and incomplete data on direct measures of costs go together with inference on implicit costs from trade … flows and prices. Total trade costs in rich countries are large. The ad valorem tax equivalent is about 170% when pushing …

are not well known. This paper establishes five new facts about college costs using novel department-level data. First …, costs vary widely across field, ranging from electrical engineering (109 percent higher costs than English) to math (22 … percent lower). Costs are generally higher in fields where graduates earn more and in pre-professional programs. Second, this …

from a leading intermediary to understand the magnitude and determinants of transaction costs in this market. Most …