This book assembles current theoretical contributions to monetary theory, banking and finance. The papers published in this collection span a wide variety of themes, from monetary policy to the optimal design of financial systems, from the study of the causes of financial crises to payment...

The model of Lagos and Wright [9] alters the meeting friction of the typical search model of money to obtain degeneracy in equilibrium holdings and enhance analytical tractability. It introduces a round of Walrasian ‘centralized' trading after each round of bilateral random ‘decentralized'...

In this study we offer a new approach to proving the differentiability of the value function, which complements and extends the literature on dynamic programming. This result is then applied to the analysis of equilibrium in the recent class of monetary economies developed in [14]. For this type...