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"Originally propounded by the sixteenth-century scholars of the University of Salamanca, the concept of purchasing power parity (PPP) was revived in the interwar period in the context of the debate concerning the appropriate level at which to re-establish international exchange rate parities. Broadly accepted as a long-run equilibrium condition in the post-war period, it was first advocated as a short-run equilibrium by many international economists in the first few years following the breakdown of the Bretton Woods system in the early 1970s and then increasingly came under attack on both theoretical and empirical grounds from the late 1970s to the mid 1990s. Accordingly, over the last three decades, a large literature has built up that examines how much the data deviated from theory, and the fruits of this research have provided a deeper understanding of how well PPP applies in both the short run and the long run. Since the mid 1990s, larger datasets and nonlinear econometric methods, in particular, have improved estimation. As deviations narrowed between real exchange rates and PPP, so did the gap narrow between theory and data, and some degree of confidence in long-run PPP began to emerge again. In this respect, the idea of long-run PPP now enjoys perhaps its strongest support in more than thirty years, a distinct reversion in economic thought"--NBER website
The term Purchasing Power Parity may date from the early twentieth century, when it was coined by the Swedish economist Gustav Cassel, but the underlying concept had been enjoying varying degrees of success since its development in sixteenth century Spain. Even towards the end of the twentieth century, and especially since the breakdown of the Bretton Woods system of fixed exchange rates, PPP and the stability of real exchange rates continued to be the subject of academic debate. This volume brings together essays covering aspects of current thinking on Purchasing Power Parity, from the various ways in which to test for its existence, to its appearance in different economies around the world, to examinations of the explanations given when PPP does not appear to hold This book was published as a special issue of Applied Financial Economics. The academic editor of this journal is Mark P. Taylor.
Critics of the Intergovernmental Panel on Climate Change's Special Report on Emission Scenarios claim that the use of market exchange rates rather than purchasing power parity has led to a significant upward bias in projections of greenhouse gas emissions, and hence unrealistically high future temperature. Rather than revisit the debate on the choice of exchange rates, we address a much simpler question: does the choice make a difference when it comes to projecting future temperature change? Employing a computable general equilibrium model designed to examine a variety of issues in the climate debate, we find that the answer is yes, but the difference is only minor.
Evolution of PPP theory; Modern PPP theory and practice; Selected PPP studies.
Discusses economic issues associated with exchange rates, commodity prices, the economic size of countries and alternatives to PPP exchange rates.
Seminar paper from the year 2009 in the subject Business economics - Investment and Finance, grade: 1,3, University of Hull, language: English, abstract: The Swedish economist Gustav Cassel developed his theory of Purchasing Power Parity (henceforth PPP) more than 80 years. Ago, and today it is still an essential part of the framework for forecasting exchange rates, which includes parity conditions in international finance. International parity conditions imply purchasing power parity, the Fisher effect, the interest rate parity theory and the expectations theory. “They are the set of equilibrium relationships which should hold between product prices, interest rates, and spot and forward exchange rates assuming a freely floating exchange system.” (Demirag and Goddard, 1994, 70) Unfortunately, these theories do not always work out in reality, especially in times of financial crisis. However, they give us a central understanding of how and why multinational business is related in the world. Sometimes, “the mistake is not always in the theory itself, but in the way it is interpreted or applied in practice” (Eitemann et.al., 2004, 133). This essay will take a detailed look at PPP, its theoretical perspective, and the empirical evidence for it. [...]
Praise for Handbook of Exchange Rates “This book is remarkable. I expect it to become the anchor reference for people working in the foreign exchange field.” —Richard K. Lyons, Dean and Professor of Finance, Haas School of Business, University of California Berkeley “It is quite easily the most wide ranging treaty of expertise on the forex market I have ever come across. I will be keeping a copy close to my fingertips.” —Jim O’Neill, Chairman, Goldman Sachs Asset Management How should we evaluate the forecasting power of models? What are appropriate loss functions for major market participants? Is the exchange rate the only means of adjustment? Handbook of Exchange Rates answers these questions and many more, equipping readers with the relevant concepts and policies for working in today’s international economic climate. Featuring contributions written by leading specialists from the global financial arena, this handbook provides a collection of original ideas on foreign exchange (FX) rates in four succinct sections: • Overview introduces the history of the FX market and exchange rate regimes, discussing key instruments in the trading environment as well as macro and micro approaches to FX determination. • Exchange Rate Models and Methods focuses on forecasting exchange rates, featuring methodological contributions on the statistical methods for evaluating forecast performance, parity relationships, fair value models, and flow–based models. • FX Markets and Products outlines active currency management, currency hedging, hedge accounting; high frequency and algorithmic trading in FX; and FX strategy-based products. • FX Markets and Policy explores the current policies in place in global markets and presents a framework for analyzing financial crises. Throughout the book, topics are explored in-depth alongside their founding principles. Each chapter uses real-world examples from the financial industry and concludes with a summary that outlines key points and concepts. Handbook of Exchange Rates is an essential reference for fund managers and investors as well as practitioners and researchers working in finance, banking, business, and econometrics. The book also serves as a valuable supplement for courses on economics, business, and international finance at the upper-undergraduate and graduate levels.
Combining classic international economics with straight-from-the- headlines immediacy, Feenstra and Taylor’s text seamlessly integrates the subject’s established core content with topic areas and ideas that have emerged from recent empirical studies. A MODERN APPROACH FOR THE 21ST CENTURY International economics texts traditionally place greater emphasis on theory and a strong focus on the advanced countries. Feenstra/Taylor links theory to empirical evidence throughout the book, and incorporates coverage of emerging markets and developing economies (India, China, SE Asia) to reflect the evolving realities of the global economy. The new edition has been extensively revised and updated, especially in light of the ongoing world financial crisis. NOTE: Feenstra/Taylor, International Economics, Second Edition, is available in four versions: International Economics, 2e: 1-4292-3118-1 International Trade, 2e: 1-4292-4104-7 International Macroeconomics, 2e: 1-4292-4103-9 Essentials of International Economics, 2e: 1-4292-7710-5
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