计量经济分析 = Econometric analysis

The East Asian miracle: Economic growth and public policy: By the World Bank. (New York: Oxford University Press for the World Bank, 1993. 389 pp. $19.95, paper.)

In recent years, many countries have suffered severe financial crises, producing a staggering toll on their economies, particularly in emerging markets. One view blames fixed exchange rates“soft pegs”--for these meltdowns. Adherents to that view advise countries to allow their currency to float. We analyze the behavior of exchange rates, reserves, the monetary aggregates, interest rates, and commodity prices across 154 exchange rate arrangements to assess whether “official labels” provide an adequate representation of actual country practice. We find that, countries that say they allow their exchange rate to float mostly do not--there seems to be an epidemic case of “fear of floating.” Since countries that are classified as having a free or a managed float mostly resemble noncredible pegs--the so-called “demise of fixed exchange rates” is a myth--the fear of floating is pervasive, even among some of the developed countries. We present an analytical framework that helps to understand why there is fear of floating.

Fear of Floating

We develop a novel system of re-classifying historical exchange rate regimes. One difference between our study and previous classification efforts is that we employ an extensive data base on market-determined parallel exchange rates. Our 'natural' classification algorithm leads to a stark reassessment of the post-war history of exchange rate arrangements. When the official categorization is a form of peg, roughly half the time our classification reveals the true underlying monetary regime to be something radically different, often a variant of a float. Conversely, when official classification is floating, our scheme routinely suggests that the reality was a form of de facto peg. Our new classification scheme points to a complete rethinking of economic performance under alternative exchange rate regimes. Indeed, the breakup of Bretton Woods had a far less dramatic impact on most exchange rate regimes than is popularly believed. Also, contrary to an influential empirical literature, our evidence suggests that exchange rate arraignments may be quite important for growth, trade and inflation. Our newly compiled monthly data set on market-determined exchange rates goes back to 1946 for 153 countries.

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The Modern History of Exchange Rate Arrangements: A Reinterpretation

We study economic growth and inflation at different levels of government and external debt. Our analysis is based on new data on forty-four countries spanning about two hundred years. The dataset incorporates over 3,700 annual observations covering a wide range of political systems, institutions, exchange rate arrangements, and historic circumstances. Our main findings are: First, the relationship between government debt and real GDP growth is weak for debt/GDP ratios below a threshold of 90 percent of GDP. Above 90 percent, median growth rates fall by one percent, and average growth falls considerably more. We find that the threshold for public debt is similar in advanced and emerging economies. Second, emerging markets face lower thresholds for external debt (public and private)--which is usually denominated in a foreign currency. When external debt reaches 60 percent of GDP, annual growth declines by about two percent; for higher levels, growth rates are roughly cut in half. Third, there is no apparent contemporaneous link between inflation and public debt levels for the advanced countries as a group (some countries, such as the United States, have experienced higher inflation when debt/GDP is high.) The story is entirely different for emerging markets, where inflation rises sharply as debt increases.

Growth in a Time of Debt

The Fund has recognized in recent years that one cannot separate issues of economic growth and stability on one hand and equality on the other. Indeed, there is a strong case for considering inequality and an inability to sustain economic growth as two sides of the same coin. Central to the Fund’s mandate is providing advice that will enable members’ economies to grow on a sustained basis. But the Fund has rightly been cautious about recommending the use of redistributive policies given that such policies may themselves undercut economic efficiency and the prospects for sustained growth (the so-called “leaky bucket” hypothesis written about by the famous Yale economist Arthur Okun in the 1970s). This SDN follows up the previous SDN on inequality and growth by focusing on the role of redistribution. It finds that, from the perspective of the best available macroeconomic data, there is not a lot of evidence that redistribution has in fact undercut economic growth (except in extreme cases). One should be careful not to assume therefore—as Okun and others have—that there is a big tradeoff between redistribution and growth. The best available macroeconomic data do not support such a conclusion.

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Redistribution, Inequality, and Growth

There is no surefire one-size-fits-all way to deal with the impact of potentially destabilizing short-term capital inflows. From an individual-country point of view, the usual elements of the toolkit to manage inflows include currency appreciation, reserves accumulation, adjustments in fiscal and monetary policy, and strengthening the prudential framework. In some circumstances, however, the usual macro policy remedies will not be appropriate so the construction of new regulation mechanisms of capital flow is needed.

https://ecsocman.hse.ru/data/2012/11/28/1251386834/9.pdf

Capital Inflows: The Role of Controls

This note raises the IMF’s profile on a number of issues related to inequality, unemployment, governance, etc. It builds on earlier empirical work that examined correlations between growth downbreaks/duration of growth spells and a range of macro/policy/institutional factors. This paper is designed to be more accessible, more policy oriented, and focused squarely on the issue of inequality and the sustainability of growth. It will reference the literature that has gained prominence in the wake of the global crisis, and the possible links between the crisis and rising inequality in countries at the epicenter of the crisis. The analytical findings will also be connected to real world policy narratives in certain countries, to provide texture to the results and enhance policy relevance. The paper will argue that, based on the empirical findings, more equality in the income distribution is associated with longer-lived growth spells. Broad redistributive policies are not necessarily pro-growth, however, as these can have strong disincentive effects. The paper’s policy discussion is appropriately cautious, therefore, offering only tentative ideas, for example, active labor market policies and more attention to human capital investments designed to avoid conflicts between efficiency and equity perspectives.

https://www.imf.org/-/media/Websites/IMF/imported-full-text-pdf/external/pubs/ft/sdn/2011/_sdn1108.ashx

Inequality and Unsustainable Growth : Two Sides of the Same Coin?

How high can public debt rise without compromising fiscal solvency? We answer this question using a stochastic ability-to-pay model of sovereign default in which risk-neutral investors lend to a government that displays "fiscal fatigue," because its ability to increase primary balances cannot keep pace with rising debt. As a result, the government faces an endogenous debt limit beyond which debt cannot be rolled-over. Using data for 23 advanced economies over 1970-2007, we find evidence of a fiscal reaction function with these features, and use it to compute "fiscal space," defined as the difference between projected debt ratios and debt limits.

Fiscal Fatigue, Fiscal Space and Debt Sustainability in Advanced Economies

How high can public debt rise without compromising fiscal solvency? We answer this question using a stochastic model of sovereign default in which risk-neutral investors lend to a government that displays ‘fiscal fatigue’, whereby its ability to increase primary balances cannot keep pace with rising debt. As a result, the government faces an endogenous debt limit beyond which debt cannot be rolled over. Using data for 23 advanced economies over the period 1970–2007, we find evidence of a fiscal reaction function with these features, and use it to compute ‘fiscal space’, defined as the difference between current debt ratios and the estimated debt limits.

/pdf/fiscal-fatigue-fiscal-space-and-debt-sustainability-in-2v38syps0l.pdf

Jonathan D. Ostry

Papers

Redistribution, Inequality, and Growth

Capital Inflows: The Role of Controls

Inequality and Unsustainable Growth : Two Sides of the Same Coin?

Fiscal Fatigue, Fiscal Space and Debt Sustainability in Advanced Economies

Fiscal Fatigue, Fiscal Space and Debt Sustainability in Advanced Economies