This Time Is Different
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This Time Is Different

Eight Centuries of Financial Folly

Carmen M. Reinhart, Kenneth S. Rogoff

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eBook - ePub

This Time Is Different

Eight Centuries of Financial Folly

Carmen M. Reinhart, Kenneth S. Rogoff

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About This Book

A comprehensive look at international financial crises that puts more recent economic meltdowns into perspective Throughout history, rich and poor countries alike have been lending, borrowing, crashing—and recovering—their way through an extraordinary range of financial crises. Each time, the experts have chimed, "this time is different"—claiming that the old rules of valuation no longer apply and that the new situation bears little similarity to past disasters. With this breakthrough study, leading economists Carmen Reinhart and Kenneth Rogoff definitively prove them wrong. Covering sixty-six countries across five continents, This Time Is Different presents a comprehensive look at the varieties of financial crises, and guides us through eight astonishing centuries of government defaults, banking panics, and inflationary spikes—from medieval currency debasements to today's subprime catastrophe. Carmen Reinhart and Kenneth Rogoff, leading economists whose work has been influential in the policy debate concerning the current financial crisis, provocatively argue that financial combustions are universal rites of passage for emerging and established market nations. The authors draw important lessons from history to show us how much—or how little—we have learned.Using clear, sharp analysis and comprehensive data, Reinhart and Rogoff document that financial fallouts occur in clusters and strike with surprisingly consistent frequency, duration, and ferocity. They examine the patterns of currency crashes, high and hyperinflation, and government defaults on international and domestic debts—as well as the cycles in housing and equity prices, capital flows, unemployment, and government revenues around these crises. While countries do weather their financial storms, Reinhart and Rogoff prove that short memories make it all too easy for crises to recur.An important book that will affect policy discussions for a long time to come, This Time Is Different exposes centuries of financial missteps.

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- PART I -


The essence of the this-time-is-different syndrome is simple. It is rooted in the firmly held belief that financial crises are things that happen to other people in other countries at other times; crises do not happen to us, here and now. We are doing things better, we are smarter, we have learned from past mistakes. The old rules of valuation no longer apply. Unfortunately, a highly leveraged economy can unwittingly be sitting with its back at the edge of a financial cliff for many years before chance and circumstance provoke a crisis of confidence that pushes it off.

- 1 -


Because this book is grounded in a quantitative and historical analysis of crises, it is important to begin by defining exactly what constitutes a financial crisis, as well as the methods—quantitative where possible—by which we date its beginning and end. This chapter and the two that follow lay out the basic concepts, definitions, methodology, and approach toward data collection and analysis that underpin our study of the historical international experience with almost any kind of economic crisis, be it a sovereign debt default, banking, inflation, or exchange rate crisis.
Delving into precise definitions of a crisis in an initial chapter rather than simply including them in a glossary may seem somewhat tedious. But for the reader to properly interpret the sweeping historical figures and tables that follow later in this volume, it is essential to have a sense of how we delineate what constitutes a crisis and what does not. The boundaries we draw are generally consistent with the existing empirical economics literature, which by and large is segmented across the various types of crises we consider (e.g., sovereign debt, exchange rate). We try to highlight any cases in which results are conspicuously sensitive to small changes in our cutoff points or where we are particularly concerned about clear inadequacies in the data. This definition chapter also gives us a convenient opportunity to expand a bit more on the variety of crises we take up in this book.
The reader should note that the crisis markers discussed in this chapter refer to the measurement of crises within individual countries. Later on, we discuss a number of ways to think about the international dimensions of crises and their intensity and transmission, culminating in our definition of a global crisis in chapter 16. In addition to reporting on one country at a time, our root measures of crisis thresholds report on only one type of crisis at a time (e.g., exchange rate crashes, inflation, banking crises). As we emphasize, particularly in chapter 16, different varieties of crises tend to fall in clusters, suggesting that it may be possible, in principle, to have systemic definitions of crises. But for a number of reasons, we prefer to focus on the simplest and most transparent delineation of crisis episodes, especially because doing otherwise would make it very difficult to make broad comparisons across countries and time. These definitions of crises are rooted in the existing empirical literature and referenced accordingly.
We begin by discussing crises that can readily be given strict quantitative definitions, then turn to those for which we must rely on more qualitative and judgmental analysis. The concluding section defines serial default and the this-time-is-different syndrome, concepts that will recur throughout the remainder of the book.

Crises Defined by Quantitative Thresholds:
Inflation, Currency Crashes, and Debasement

Inflation Crises
We begin by defining inflation crises, both because of their universality and long historical significance and because of the relative simplicity and clarity with which they can be identified. Because we are interested in cataloging the extent of default (through inflating debt away) and not only its frequency, we will attempt to mark not only the beginning of an inflation or currency crisis episode but its duration as well. Many high-inflation spells can best be described as chronic—lasting many years, sometimes dissipating and sometimes plateauing at an intermediate level before exploding. A number of studies, including our own earlier work on classifying post–World War II exchange rate arrangements, use a twelve-month inflation threshold of 40 percent or higher as the mark of a high-inflation episode. Of course, one can argue that the effects of inflation are pernicious at much lower levels of inflation, say 10 percent, but the costs of sustained moderate inflation are not well established either theoretically or empirically. In our earlier work on the post–World War II era, we chose a 40 percent cutoff because there is a fairly broad consensus that such levels are pernicious; we discuss general inflation trends and lower peaks where significant. Hyperinflations—inflation rates of 40 percent per month—are of modern vintage. As we will see in chapter 12 on inflation crises (especially in table 12.3), Hungary in 1946 (Zimbabwe’s recent experience notwithstanding) holds the record in our sample.
For the pre–World War I period, however, even 40 percent per annum is too high an inflation threshold, because inflation rates were much lower then, especially before the advent of modern paper currency (often referred to as “fiat” currency because it has no intrinsic value and is worth something only because the government declares by fiat that other currencies are not legal tender in domestic transactions). The median inflation rates before World War I were well below those of the more recent period: 0.5 percent per annum for 1500–1799 and 0.71 percent for 1800–1913, in contrast with 5.0 percent for 1914–2006. In periods with much lower average inflation rates and little expectation of high inflation, much lower inflation rates could be quite shocking and traumatic to an economy—and therefore considered crises.1 Thus, in this book, in order to meaningfully incorporate earlier periods, we adopt an inflation crisis threshold of 20 percent per annum. At most of the main points at which we believe there were inflation crises, our main assertions appear to be reasonably robust relative to our choice of threshold; for example, our assertion that there was a crisis at any given point would stand up had we defined inflation crises using a lower threshold of, say, 15 percent, or a higher threshold of, say, 25 percent. Of course, given that we are making most of our data set available online, readers are free to set their own threshold for inflation or for other quantitative crisis benchmarks.
Currency Crashes
In order to date currency crashes, we follow a variant of an approach introduced by Jeffrey Frankel and Andrew Rose, who focus exclusively on large exchange rate depreciations and set their basic threshold (subject to some caveats) as 25 percent per annum.2 This definition is the most parsimonious, for it does not rely on other variables such as reserve losses (data governments often guard jealously—sometimes long delaying their publication) and interest rate hikes (which are not terribly meaningful in financial systems under very heavy government control, which was in fact the case for most countries until relatively recently). As with inflation, the 25 percent threshold that one might apply to data from the period after World War II—at least to define a severe exchange rate crisis—would be too high for the earlier period, when much smaller movements constituted huge surprises and were therefore extremely disruptive. Therefore, we define as a currency crash an annual depreciation in excess of 15 percent. Mirroring our treatment of inflation episodes, we are concerned here not only with the dating of the initial crash (as in Frankel and Rose as well as Kaminsky and Reinhart) but with the full period in which annual depreciations exceeded the threshold.3 It is hardly surprising that the largest crashes shown in table 1.1 are similar in timing and order of magnitude to the profile for inflation crises. The “honor” of the record currency crash, however, goes not to Hungary (as in the case of inflation) but to Greece in 1944.
Currency Debasement
The precursor of modern inflation and foreign exchange rate crises was currency debasement during the long era in which the principal means of exchange was metallic coins. Not surprisingly, debasements were particularly frequent and large during wars, when drastic reductions in the silver content of the currency sometimes provided sovereigns with their most important source of financing.
In this book we also date currency “reforms” or conversions and their magnitudes. Such conversions form a part of every hyperinflation episode in our sample; indeed it is not unusual to see that there were several conversions in quick succession. For example, in its struggle with hyperinflation, Brazil had no fewer than four currency conversions from 1986 to 1994. When we began to work on this book, in terms of the magnitude of a single conversion, the record holder was China, which in 1948 had a conversion rate of three million to one. Alas, by the time of its completion, that record was surpassed by Zimbabwe with a ten-billion-to-one conversion! Conversions also follow spells of high (but not necessarily hyper) inflation, and these cases are also included in our list of modern debasements.
Defining crises: A summary of quantitative thresholds
The Bursting of Asset Price Bubbles
The same quantitative methodology could be applied in dating the bursting of asset price bubbles (equity or real estate), which are commonplace in the run-up to banking crises. We discuss these crash episodes involving equity prices in chapter 16 and leave real estate crises for future research.4 One reason we do not tackle the issue here is that price data for many key assets underlying financial crises, particularly housing prices, are extremely difficult to come by on a long-term cross-country basis. However, our data set does include housing prices for a number of both developed and emerging market countries over the past couple of decades, which we shall exploit later in our analysis of banking crises.

Crises Defined by Events: Banking Crises
and External and Domestic Default

In this section we describe the criteria used in this study to date banking crises, external debt crises, and domestic debt crisis counterparts, the last of which are by far the least well documented and understood. Box 1.1 provides a brief glossary to the key concepts of debt used throughout our analysis.
Banking Crises
With regard to banking crises, our analysis stresses events. The main reason we use this approach has to do with the lack of long-range time series data that would allow us to date banking or financial crises quantitatively along the lines of inflation or currency crashes. For example, the relative price of bank stocks (or financial institutions relative to the market) would be a logical indicator to examine. However, doing this is problematic, particularly for the earlier part of our sample and for developing countries, where many domestic banks do not have publicly traded equity.
Another idea would be to use changes in bank deposits to date crises. In cases in which the beginning of a banking crisis has been marked by bank runs and withdrawals, this indicator would work well, for example in dating the numerous banking panics of the 1800s. Often, however, banking problems arise not from the liability side but from a protracted deterioration in asset quality, be it from a collapse in real estate prices (as in the United States at the outset of the 2007 subprime financial crisis) or from increased bankruptcies in the nonfinancial sector (as in later stages of the financial crisis of th...

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Citation styles for This Time Is Different
APA 6 Citation
Reinhart, C., & Rogoff, K. (2009). This Time Is Different ([edition unavailable]). Princeton University Press. Retrieved from (Original work published 2009)
Chicago Citation
Reinhart, Carmen, and Kenneth Rogoff. (2009) 2009. This Time Is Different. [Edition unavailable]. Princeton University Press.
Harvard Citation
Reinhart, C. and Rogoff, K. (2009) This Time Is Different. [edition unavailable]. Princeton University Press. Available at: (Accessed: 14 October 2022).
MLA 7 Citation
Reinhart, Carmen, and Kenneth Rogoff. This Time Is Different. [edition unavailable]. Princeton University Press, 2009. Web. 14 Oct. 2022.