The Maastricht Treaty makes the convergence of inflation rates one of the preconditions of European Monetary Union (EMU). The purpose of this study is to shed light on the mechanism underlying the processes that lead to convergence or divergence in national inflation rates. It examinesinflation and wage bahaviour in the European Monetary System (EMS), their determinants, and their implications for the credibility and sustainability of the system's exchange rate mechanism (ERM). Although the focus is on the EMS period, eleven of the twelve studies also review the background of the1970s. The contributors examine issues of monetary control, stability of national and ERM-wide money-demand function, the monetary policy of Germany - the pivotal country in the EMS - and its influence on the stability of the system after the fall of the Berlin Wall. As well as explaining how theEMS worked, the book also offers reasons for its breakdown in 1992-3 under the blow of exogenous shocks and growing policy conflict between member countries.The study identifies several causes of inflation and persistent inflation differentials in the EMS. Among the 'real' causes, particular attention is devoted to sectoral productivity shocks. In some countries, import price shocks, exogenous wage pushes, taxes, and government expenditure are bound tobe important factors. Since theses kinds of shock hit the various economies of the region differently, inflation differntials can persist for several years. The different policies of governments and central banks, and the fact the monetary policies have not always been consistent with the long-runmaintenance of fixed exchange rates, have also played a considerable role in explaining the persistance of inflation differentials.

Wages have been rising faster than productivity in many European countries for the past few years, yet signs of underlying consumer price pressures remain limited. To shed light on this puzzle, this paper examines the historical link between wage growth and inflation in Europe and factors that influence the strength of the passthrough from labor costs to prices. Historically, wage growth has led to higher inflation, but the impact has weakened since 2009. Empirical analysis suggests that the passthrough from wage growth to inflation is significantly lower in periods of subdued inflation and inflation expectations, greater competitive pressures, and robust corporate profitability. Thus the recent pickup in wage growth is likely to have a more muted impact on inflation than in the past.

Wage rises have remained stubbornly low in advanced Europe in recent years, but, at the same time, newer EU members are experiencing rapid wage acceleration. This paper investigates the drivers of this wage divergence. Econometric analysis using error correction models suggests that wage growth responds more quickly to changes in unemployment in the newer EU members than in advanced Europe, where wages are more closely related to inflation and inflation expectations in the short run, implying greater inertia in nominal wage rises in advanced Europe. In the years after the global crisis, this inertia contributed to the build up of a real wage overhang relative to sharply slowing labor productivity, which subsequently dragged on nominal wage rises even as unemployment began to decline. Spillovers of subdued wage growth between euro area countries also weighed on wage rises in advanced Europe.

This book studies the coexistence of inflation and unemployment in a monetary union. The focus is on how to reduce the associated loss. The primary target of the European central bank is low inflation in Europe. The primary target of the German government is low unemployment in Germany. And the primary target of the French government is low unemployment in France. The European central bank has a quadratic loss function. The same applies to the German government and the French government. The key questions are: To what extent can the sequential process of monetary and fiscal decisions reduce the loss caused by inflation and unemployment? Is monetary and fiscal cooperation superior to the sequential process of monetary and fiscal decisions? The present book is part of a larger research project on European Monetary Union, see the references given at the back of the book. Some parts of this project were presented at the World Congress of the International Economic Association, at the International Conference on Macroeconomic Analysis, at the International Institute of Public Finance, and at the International Atlantic Economic Conference. Other parts were presented at the Macro Study Group of the German Economic Association, at the Annual Meeting of the Austrian Economic Association, at the Göttingen Workshop on International Economics, at the Halle Workshop on Monetary Economics, at the Research Seminar on Macroeconomics in Freiburg, at the Research Seminar on Economics in Kassel, and at the Passau Workshop on International Economics.

We provide evidence on the fit of the New Phillips Curve (NPQ for the Euro area over the period 1970-1998, and use it as a tool to compare the characteristics of European inflation dynamics with those observed in the U.S. We also analyze the factors underlying inflation inertia by examining the cyclical behavior of marginal costs, as well as that of its two main components, namely, labor productivity and real wages. Some of the findings can be summarized as follows: (a) the NPC fits Euro area data very well, possibly better than U.S. data, (b) the degree of price stickiness implied by the estimates is substantial, but in line with survey evidence and U.S. estimates, (c) inflation dynamics in the Euro area appear to have a stronger forward- looking component (i.e., less inertia) than in the U.S., (d) labor market frictions, as manifested in the behavior of the wage markup, appear to have played a key role in shaping the behavior of marginal costs and, consequently, inflation in Europe.