A cash-in-advance model in which the cost of buying goods with a foreign currency is decreasing in the economy’s accumulated experience in transacting in the foreign currency is shown to display hysteresis in money velocity; that is, a temporary increase in expected in ation can cause a permanent increase in velocity. In addition, the model implies that the domestic currency does not have to do...

one of the most important policies concerning the adjustment of foreign trade is to allocate foreign currency by establishing an exchange control system. the mechanism of this would be so that the central bank operates or supervises all transactions concerning foreign exchange. however, the controlling system, like all other international systems of payment, operates with some adjustments and i...

Given current concerns on foreign currency exposures in emerging economies, we examine the currency denomination of bank loans. We compare the currency requested by borrowers and the currency decision subsequently made by a bank in Bulgaria prior to the current crisis. We analyze more than hundred thousand loans to sixty thousand different firms granted during the period 2003-2007. We relate th...

We describe the framework for building an electronic currency system. We detail the design of the components of the electronic currency system and the relationship among them. Contrary to the previous electronic currency literatures, which focus exclusively on electronic currency protocol designs, we address how to achieve both transaction atomicity and transaction anonymity at the presence of ...

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We examine the impact of corporate currency hedging on economic stability by introducing hedging activity in a Mundell-Fleming-Tobin framework for analyzing currency and financial crises. The ratio between hedged and unhedged firms is modelled depending on firm size as well as hedging costs. The results indicate that, with an increasing fraction of hedged firms in an economy, the magnitude of a...

Liu process is a new tool to deal with the noise process based on uncertainty theory. In this paper, we view the foreign exchange rate as an uncertain process, described by an uncertain differential equation driven by Liu process, and build an uncertain currency model. Then the uncertain currency option processes are discussed. Moreover, European and American currency option pricing formulas ar...

This paper characterizes the integration patterns of international currency unions (such as the CFA Franc zone). We empirically explore different features of currency unions, and compare them to countries with sovereign monies by examining the criteria for Mundell’s concept of an optimum currency area. We find that members of currency unions are more integrated than countries with their own cur...

Since the breakdown of the Bretton Woods System, exchange arrangements of countries have become flexible. Several attempts have been made to determine whether the theories of optimum currency areas adequately explain the choice of an exchange rate system. In this paper, the optimum currency area is retested. Using cross-section data, a regression analysis of the choice of an exchange rate syste...