Chapter 1: Previous work on the denomination structure of currency treats as exogenous the distribution of transactions and the denominations held by people. Here, by way of a matching model, both are endogenous. In the model, trades in pairwise meetings alternate in time with the opportunity to...

In this thesis, I empirically investigate the selection process and the evolution of an industry in response to aggregate shocks.In the first essay (Chapter 2), I develop a new way to quantify the effects of import competition on intra-industry patterns of job creation and destruction and...