We discover that letting agents pairwise sequentially exchange at "wrong" prices has a robust effect on prices at convergence. If the initial relative price for a good is cheaper than the equilibrium walrasian price due to initial endowments, the initial excess demand effect pushes resource...

Preface -- 1 An Introduction to the Econometrics of Program Evaluation -- 2 Methods Based on Selection on Observables -- 3 Methods Based on Selection on Unobservables -- 4 Local Average Treatment Effect and Regression-Discontinuity-Design.

Chapter 1. An Introduction to the Econometrics of Program Evaluation -- Chapter 2. Methods Based on Selection on Observables -- Chapter 3. Methods Based on Selection on Unobservables -- Chapter 4. Local Average Treatment Effect and Regression-Discontinuity-Design -- Chapter 5....