The purpose of this dissertation is to investigate mortgage refinancing in the following three categories: refinancing and rate-and-point choice, refinancing and borrowers mortgage instrument choice, and estimating the market refinancing share of total mortgage origination volume. The choice of...

We investigate how reputational uncertainty and the rate of change of the social environment interact to influence cooperation in social networks. Reputational uncertainty significantly decreases cooperation and welfare, induces more forgiveness toward defectors, and promotes opportunistic play....