Difficulties of a Single Monetary Policy for a Large Number of Countries

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Difficulties of a Single Monetary Policy for a Large Number of Countries
I. INTRODUCTION
The European Economic and Monetary Union (EMU) and the common currency the euro, was originally promoted as a source for economic growth and as a mechanism to make European markets less fragmented. However, the recent eurozone crisis has shown the complexity surrounding the issue of a single monetary policy for a large number of countries. Recent economic developments in the eurozone have therefore put an emphasis on the question if it is feasible to conduct a monetary policy of “one size fits all." This essay analyses the viability of a single monetary policy conducted by the European Central Bank (ECB) and highlights some of its design failures as well as what may be done to overcome these difficulties.

II. THE ECONOMICS OF EUROPEAN MONETARY UNION
The 1992 Maastricht Treaty, set out a gradual plan to implement an Economic and Monetary Union (EMU) in the European Union together with a common currency, the euro (Hansen, 2001). The treaty also implemented a set of convergence criteria, to achieve price stability, which member states need to comply with to adopt the new currency. By 2002, the euro was put into circulation and replaced former national currencies. ECB, which was established by the Treaty of Amsterdam in 1998, set and implement the monetary policy for the 18 member states that constitute the eurozone (Hansen, 2001). The primary objective of the ECB is to maintain price stability by keeping HICP inflation rates below, but close to, 2 per cent (ECB, 2014).
Many scholars have contributed to theories, which serve as a guideline to assess monetary integration. The appropriateness of a monetary union can be said for the sake of simpl...

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Mongelli, F.P. (2008). European Economic and Monetary Integration, and the Optimum Currency Area Theory. Commission of the European Communities, Directorate-General for Economic and Financial Affairs.
Mundell, R. A. (1961). A Theory of Optimum Currency Areas. American Economic Review, 51(4), 657-665.
Polito, V., and Wickens, M. (2014). How the Euro Crisis Evolved and how to Avoid Another: EMU, Fiscal Policy and Credit Ratings. Journal Of Macroeconomics 39, 364-374.
Rose, A. (2002). One Money, One Market: Estimating the Effects of Common Currencies on Trade. Economic Policy 30, 9–45.
Weber, A. A. (2011). Challenges for Monetary Policy in the European Monetary Union. Federal Reserve Bank Of St. Louis Review, 93(4), 235-242.

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