This dissertation consists of three essays concerning financial and monetary economics. Essay 1, "Dynamic General Equilibrium Models", proposes an alternative approach to the study of equilibrium properties of dynamic economies. By exploring the properties of the so-called law of motion, we...

This dissertation consists of two essays concerning search theory. In the first essay we consider a model of directed search in which strategic sellers advertise general trading mechanisms. A mechanism determines the number of buyers that will get served and the side payments as a function of ex...

In monetary theory, money is typically introduced as an object that can help agents bypass frictions, such as anonymity and limited commitment. Consequently, common wisdom suggests that if agents had access to more unsecured credit these frictions would become less severe and welfare would...

The FOREX market is an over-the-counter market (in fact, the largest in the world) characterized by bilateral trade, intermediation, and significant bid-ask spreads. The existing international macroeconomics literature has failed to account for these stylized facts largely due to the fact that...

Assets have “indirect liquidity” if they cannot be used as media of exchange, but can be traded to obtain a medium of exchange (money) and thereby inherit monetary properties. This essay describes a simple dynamic model of indirect asset liquidity, provides closed form solutions for real and...

We study how the strategic interaction of liquid-asset suppliers depends on the financial market conditions that determine asset liquidity. In our model, two asset suppliers try to profit from the liquidity services their assets confer. Asset liquidity is indirect in the sense that assets can be...

We develop a monetary model that incorporates Over-the-Counter (OTC) asset trade. After agents have made their money holding decisions, they receive an idiosyncratic shock that affects their valuation for consumption and, hence, for the unique liquid asset, namely, money. Subsequently, agents...