Stochastic Optimal Control, International Finance, and Debt Crises pdf epub mobi txt 電子書 下載2025

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This book focuses on the interaction between equilibrium real exchange rates, optimal external debt, endogenous optimal growth and current account balances, in a world of uncertainty. The theoretical parts result from interdisciplinary research between economics and applied mathematics. From the economic theory and the mathematics of stochastic optimal control the author derives benchmarks for the optimal debt and equilibrium real exchange rate in an environment where both the return on capital and the real rate of interest are stochastic variables. The theoretically derived equilibrium real exchange rate - the "natural real exchange rate" NATREX - is where the real exchange rate is heading. These benchmarks are applied to answer the following questions. * What is a theoretically based empirical measure of a "misaligned" exchange rate that increases the probability of a significant depreciation or a currency crisis? * What is a theoretically based empirical measure of an "excess" debt that increases the probability of or a debt crisis? * What is the interaction between an excess debt and a misaligned exchange rate? The theory is applied to evaluate the Euro exchange rate, the exchange rates of the transition economies, the sustainability of U.S. current account deficits, and derives warning signals of the Asian crises and debt crises in emerging markets.

Jerome L. Stein is Emeritus Professor of Economics, Eastman Professor of Political Economy (Emeritus), and is Visiting Professor in the Division of Applied Mathematics at Brown University. He received his Ph. D. from Yale University (1955) and Docteur Honoris Causa from the Universite de la Mediterranee, Aix-Marseille II (1997). He has been an Associate Editor of the American Economic Review, Journal of Banking and Finance and of the Journal of Finance. He is a member of the Editorial Board of the Australian Economic Papers and the Journal of Banking and Finance. He has been awarded Fellowships by the Guggenheim Foundation, Social Science Research Council and Ford Foundation.

Part I Overview
1 Optimal debt and equilibrium exchange rates in a stochastic environment: an overview
Part II Theoretical framework
2 Stochastic optimal control model of short-term debt1
Mathematical appendix
3 Stochastic intertemporal optimization: Long-term debt continuous time
Appendix A. Alternate measure of capital and production function
Appendix B. Derivation of optimal consumption, capital, debt, and endogenous growth in continuous time over an infinite horizon
4 The NATREX model of the equilibrium real exchange rate
Appendix A. Mathematical analysis of effects of fundamentals upon the medium-run and long-run equilibrium real exchange rate and debt/GDP ratio
Appendix B. Growth equation replaces capital, global stability condition
Appendix C. Lagged adjustments generate cyclical movements around the equilibrium
Part III Evaluating exchange rates
5 The equilibrium real value of the euro: An evaluation of research1
6 The transition economies: A NATREX evaluation of research1
Part IV External debt and exchange rate crises
7 Country default risk in emerging markets1
Appendix A
Appendix B
Appendix C
8 Asian crises: Theory, evidence, warning Signals1
9 United States current account deficits: A stochastic optimal control analysis1
Appendix A. Basic data
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