Unemployment Fluctuations and Stabilization Policies:

A New Keynesian Perspective

The past fifteen years have witnessed the rise of the New Keynesian model as a framework of reference for the analysis of fluctuations and stabilization policies. That framework, which combines the rigor and internal consistency of dynamic general equilibrium models with such typically Keynesian assumptions as monopolistic competition and nominal rigidities, makes possible a meaningful, welfare-based analysis of the effects of monetary policy rules. But the conspicuous absence of unemployment from the standard New Keynesian model has given rise to both criticism and attempts to rectify this anomaly.

In this book, Jordi Galí, one of the major contributors to the New Keynesian literature, offers a new approach to introducing unemployment into that framework.

Galí's approach involves a reinterpretation of the labor market in the standard New Keynesian model with staggered wage setting (rather than a modification or extension of the model, as has been proposed by others). The resulting framework preserves the convenience of the representative household paradigm and allows one to determine the equilibrium levels of employment, the labor force, and hence the unemployment rate conditional on the monetary policy in place. Galí develops the basic model, embedding it in a standard New Keynesian framework with staggered price and wage setting; revisits the relationship between economic fluctuations and efficiency through the lens of the new model, developing a measure of the output gap; and analyzes the relation between unemployment and the design of monetary policy.

Jordi Galí is Director of CREI, Professor at Universitat Pompeu Fabra, and Research Professor at Barcelona Graduate School of Economics. He is the author of Monetary Policy, Inflation, and the Business Cycle: An Introduction to the New Keynesian Framework.

Table of Contents

Series Foreword ix

Preface|xi

Introduction 1

1 A Simple Model of Unemployment and Inflation Dynamics 7

2 Unemployment, the Output Gap, and the Welfare Costs of Economic Fluctuations 37

3 Unemployment and Monetary Policy Design in the New Keynesian Model 61

4 Concluding Remarks and Directions for Future Research 83

Appendix A 89

Appendix B 91

Appendix C 93

Appendix D 95

References 97

Index 103

120 pages, Hardcover

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UNEMPLOYMENT FLUCTUATIONS AND STABILIZATION POLICIES

GALI J. / A NEW KEYNESIAN PERSPECTIVE

Unemployment Fluctuations and Stabilization Policies:

A New Keynesian Perspective