This dissertation consists of three independent essays in Macroeconomics. The first essay analyzes monetary coordination between currency areas. It is shown that search frictions can generate the deviations from the law of one price and that each country is tempted to exploit these deviations by...

We attempt to provide insights into how heterogeneity has been and can be addressed in choice modeling. In doing so, we deal with three topics: Models of heterogeneity, Methods of estimation and Substantive issues. In describing models we focus on discrete versus continuous representations of...

Many purchase decisions involve groups of individuals. In marketing literature, a majority of the studies related to group decisions place greater emphasis on predicting the outcome of the decision than the process. In this dissertation, I contend that understanding the process by which a...