Identifying Speculative Bubbles

In the aftermath of the global financial crisis, the issue of how best to identify speculative asset bubbles (in real-time) remains in flux. This owes to the difficulty of disentangling irrational investor exuberance from the rational response to lower risk based on price behavior alone. In response, I introduce a two-pillar (price and quantity) approach for financial market surveillance. The intuition is straightforward: while asset pricing models comprise a valuable component of the surveillance toolkit, risk taking behavior, and financial vulnerabilities more generally, can also be reflected in subtler, non-price terms. The framework appears to capture stylized facts of asset booms and busts—some of the largest in history have been associated with below average risk premia (captured by the ‘pricing pillar’) and unusually elevated patterns of issuance, trading volumes, fund flows, and survey-based return projections (reflected in the ‘quantities pillar’). Based on a comparison to past boom-bust episodes, the approach is signaling mounting vulnerabilities in risky U.S. credit markets. Policy makers and regulators should be attune to any further deterioration in issuance quality, and where possible, take steps to ensure the post-crisis financial infrastructure is braced to accommodate a re-pricing in credit risk.

There are only two types of stocks: those safe from bubbles and those that are not. This is a fact of investing many discovered as they saw their fabulous gains whittled away by the extreme calamity of the Internet sector. But what about the future? Is there a way for investors to capture the enormous potential for profit that exists at the frontier of the economy, the place where innovation and genius operate, without placing their fortunes in jeopardy? Is there a way to evaluate price increases--and declines--and identify whether they are happening for good or bad reasons? Bubbleology makes it possible to separate the winners from the losers. It is a brilliant, practical, and original analysis of the stock market that bashes the conventional wisdom about bubbles, showing that such famous examples as Tulipomania were not, in fact, bubbles at all. Bubbleology shows that the traditional way of evaluating risk--equating it with volatility--is inherently flawed and incomplete. If a stock fluctuates a lot in price it is regarded as risky. If the price is stable, then it is not. What this simplistic way of thinking leaves out is the simple fact that companies trying something completely new that may fundamentally alter the economic landscape are operating at the frontier. The stock of such a company swims in a sea of ambiguity, its circumstances uncertain, since there is little to provide guidance about the future. But when nobody knows for sure what will happen, pundits tell us again about Tulipomania, the South Seas Bubble, and now the debacle of the Internet to scare investors away from potentially enormous profits. To realize those profits, however, investors have tounderstand the role that uncertainty and ambiguity--the absence of reliable information about future events--play in the modern stock market. Those who equate ambiguity with bubbles will miss the great opportunities of the future. Bubbleology provides a new way to observe what is really going on in the market, enabling you to understand whether a stock or a sector is suspicious--whether it is in a bubble and therefore something to be avoided. Finding bubbles requires knowing where to look and what to look for. Bubbleology will help you avoid both streaming into speculative manias and shying away from perfectly good business opportunities. It tells you why you need to avoid both pontificating pundits and overconfident stock analysts. With this unique and forward-thinking book, you can inspect suspicious stocks, accurately discern risk, and diagnose a blossoming bubble before it vanishes along with your money.

The Housing Bubble was hardly the first in human history. What's eluded historians is the same issue that eludes commentators today: the underlying cause of bubbles. This book is the first (and only) book to solve the mystery of the most famous bubble in world history: Tulipmania in 17th century Netherlands. It Is a legendary event but explanations have been lacking. People blame irrational exuberance, free markets, and an unleashed aristocracy. Douglas French takes a different route: he follows the money to prove that the bubble resulted from a government intervention that dramatically exploded the money supply and fueled the tulip-price bubble – not altogether different from modern bubbles. This book was French’s Master’s thesis written under the direction of Murray Rothbard and examining three of the most famous speculative bubble episodes in history through the lens of Austrian Business Cycle Theory. Although each of these episodes is well documented, this book examines the monetary interventions that engendered each of these events showing that not only the Mississippi Bubble and the South Sea Bubble were caused by government meddling, but Tulipmania was as well. Tulipmania was unique in that it was the sound money policy of the Dutch combined with free coinage laws that led to an acute increase in the supply of money and fostered an atmosphere that was ripe for speculation and malinvestment, manifesting itself in the intense trading of tulip bulbs. The author examines not only the Mississippi Bubble but also the life and monetary theories of its architect, John Law. Professor Joe Salerno calls Law the world’s first macroeconomist who implemented a Keynesian monetary system in France nearly two hundred years before Keynes was born. At the same time across the English Channel, a nearly bankrupt British government looked on with envy at Law’s system, believing that he was working a financial miracle. It was anything but this and investors in both countries were devastated. Although these episodes occurred centuries ago, readers will find the events eerily similar to today’s bubbles and busts: low interest rates, easy credit terms, widespread public participation, bankrupt governments, price inflation, frantic attempts by government to keep the booms going, and government bailouts of companies after the crash. When will we learn? We first have to get cause and effect in history straight. This book is an excellent contribution to that effort.

The papers in this book are grouped into three sections: the first on price bubbles is primarily financial; the second on speculative attacks (on exchange rate regimes) is international in scope; and the third, on policy switching, is concerned with monetary policy.

Providing a historical appraisal of bubble investments, and blending theory with field observations, this insightful work will benefit academics, researchers and professionals observing the nexus of relationships between speculation, states and markets. The book presents an analysis of the development and decline of investment bubbles and helps develop the models that inform the risk assessment of bubble behaviour. By identifying particular trends and consequences, the book presents insight into the operation of speculative activity and its social, economic and political repercussions.

Gerald P. Dwyer, Jr. and R. W. Hafer The articles and commentaries included in this volume were presented at the Federal Reserve Bank of St. Louis' thirteenth annual economic policy conference, held on October 21-22, 1988. The conference focused on the behavior of asset market prices, a topic of increasing interest to both the popular press and to academic journals as the bull market of the 1980s continued. The events that transpired during October, 1987, both in the United States and abroad, provide an informative setting to test alter native theories. In assembling the papers presented during this conference, we asked the authors to explore the issue of asset pricing and financial market behavior from several vantages. Was the crash evidence of the bursting of a speculative bubble? Do we know enough about the work ings of asset markets to hazard an intelligent guess why they dropped so dramatically in such a brief time? Do we know enough to propose regulatory changes that will prevent any such occurrence in the future, or do we want to even if we can? We think that the articles and commentaries contained in this volume provide significant insight to inform and to answer such questions. The article by Behzad Diba surveys existing theoretical and empirical research on rational bubbles in asset prices.

There are only two types of stocks: those safe from bubbles and those that are not. This is a fact of investing many discovered as they saw their fabulous gains whittled away by the extreme calamity of the Internet sector. But what about the future? Is there a way for investors to capture the enormous potential for profit that exists at the frontier of the economy, the place where innovation and genius operate, without placing their fortunes in jeopardy? Is there a way to evaluate price increases—and declines—and identify whether they are happening for good or bad reasons? Bubbleology makes it possible to separate the winners from the losers. It is a brilliant, practical, and original analysis of the stock market that bashes the conventional wisdom about bubbles, showing that such famous examples as Tulipomania were not, in fact, bubbles at all. Bubbleology shows that the traditional way of evaluating risk—equating it with volatility—is inherently flawed and incomplete. If a stock fluctuates a lot in price it is regarded as risky. If the price is stable, then it is not. What this simplistic way of thinking leaves out is the simple fact that companies trying something completely new that may fundamentally alter the economic landscape are operating at the frontier. The stock of such a company swims in a sea of ambiguity, its circumstances uncertain, since there is little to provide guidance about the future. But when nobody knows for sure what will happen, pundits tell us again about Tulipomania, the South Seas Bubble, and now the debacle of the Internet to scare investors away from potentially enormous profits. To realize those profits, however, investors have to understand the role that uncertainty and ambiguity—the absence of reliable information about future events—play in the modern stock market. Those who equate ambiguity with bubbles will miss the great opportunities of the future. Bubbleology provides a new way to observe what is really going on in the market, enabling you to understand whether a stock or a sector is suspicious—whether it is in a bubble and therefore something to be avoided. Finding bubbles requires knowing where to look and what to look for. Bubbleology will help you avoid both streaming into speculative manias and shying away from perfectly good business opportunities. It tells you why you need to avoid both pontificating pundits and overconfident stock analysts. With this unique and forward-thinking book, you can inspect suspicious stocks, accurately discern risk, and diagnose a blossoming bubble before it vanishes along with your money.