This paper surveys the main theoretical approaches for analyzing movements in the current account of the balance of payments, from the Mundell-Fleming paradigm to modern intertemporal approaches. It discusses the main implications of these analyses for policymaking, highlighting that modern...

Defining the rules for monetary policy has been the subject of an extensive literature in monetary economics since the 1968 AMA presidential address by Milton Friedman. Starting from the contribution by Barro and Gordon (1983) the prevalent approach has hinged on optimal control techniques to...

This paper proposes a forward-looking indicator of risk in the foreign exchange markets calculated from the implied volatilities of currency options according to the Garman-Kohlhagen model. We discuss the properties of such indicator and stress that it is related to a notion of risk that does...

This paper contains an empirical analysis of currency substitution in Turkey: a simple relationship between the share of foreign currency holdings in M2X on one side and movements in the exchange rate or inflation on the other is derived from a two-stage portfolio choice model. This relationship...

This paper is an empirical study of the links between monetary variables and inflation based on Cagan's equation and its rational expectations solution, when the forcing variable is a fractionally integrated process. As demonstrated by Hamilton and Whiteman, the existence of bubbles and other...