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Dynamic Macroeconomics with Imperfect Competition Leo Kaas

Dynamic Macroeconomics with Imperfect Competition By Leo Kaas

Dynamic Macroeconomics with Imperfect Competition by Leo Kaas


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Summary

While this approach can be ap plied in temporary monetary equilibrium models, it proves inadequate for formulating price adjustment in a dynamic disequilibrium model, where it has to be replaced by the concept of subjective demand.

Dynamic Macroeconomics with Imperfect Competition Summary

Dynamic Macroeconomics with Imperfect Competition by Leo Kaas

This thesis was stimulated throughout the time of my participation in a research project on Dynamic Macroeconomics, supported by the German Research Foundation (DFG). The starting point was the central question of how to integrate price setting firms in a dynamic disequilibrium model. Almost all recent literature on imperfect competition in macroeconomics applies the objective demand approach by assuming that firms know the true demand curve they are faced with. While this approach can be ap plied in temporary monetary equilibrium models, it proves inadequate for formulating price adjustment in a dynamic disequilibrium model, where it has to be replaced by the concept of subjective demand. Based on this distinction, the thesis starts out with a comparison of the concepts of subjective and objective demand in an abstract framework and surveys the literature on general equilibrium theory with imperfect competition. The objective demand approach is criticized not only on the grounds of its strong rationality requirements and existence problems, but also by the observation that it cannot be applied successfully to characterize determinate rational expectations equilibria in intertemporal macroeco nomics. Finally, price setting firms using subjective demand functions are integrated in a dynamic disequilibrium model in order to study mo nopolistic and oligopolistic price adjustment.

Table of Contents

Introduction.- Subjective and objective equilibria.- Introduction.- The basic framework.- Perfect foresight and equilibrium concepts.- Learning dynamics.- Summary.- General equilibrium with imperfect competition.- Introduction.- Quantity competition.- Price competition.- Summary.- Intertemporal macroeconomic equilibrium.- Introduction.- Temporary and intertemporal equilibrium.- Indeterminacy of perfect foresight equilibria and involuntary unemployment.- Indeterminacy of rational expectations equilibria.- Summary and discussion.- A dynamic macroeconomic model with price setting firms.- Introduction.- The economy.- A parametric specification.- Analysis of the dynamics.- Summary and discussion.- Final remarks.

Additional information

NLS9783540660293
9783540660293
3540660291
Dynamic Macroeconomics with Imperfect Competition by Leo Kaas
New
Paperback
Springer-Verlag Berlin and Heidelberg GmbH & Co. KG
1999-08-19
155
N/A
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