We analyze monetary policy in a model where temporary shocks can permanently scar the economy's productive capacity. Unemployed workers' skill losses generate multiple steady-state unemployment rates. When monetary policy is constrained by the zero bound, large shocks reduce hiring to a point where the economy recovers slowly at best -- at worst, it falls into a permanent unemployment trap. Since monetary policy is powerless to escape such traps ex-post, it must avoid them ex-ante. The model quantitatively accounts for the slow U.S. recovery following the Great Recession, and suggests that lack of swift monetary accommodation helps explain the European periphery's stagnation.

Traditionally, economic growth and business cycles have been treated independently. However, the dependence of GDP levels on its history of shocks, what economists refer to as “hysteresis,” argues for unifying the analysis of growth and cycles. In this paper, we review the recent empirical and theoretical literature that motivate this paradigm shift. The renewed interest in hysteresis has been sparked by the persistence of the Global Financial Crisis and fears of a slow recovery from the Covid-19 crisis. The findings of the recent literature have far-reaching conceptual and policy implications. In recessions, monetary and fiscal policies need to be more active to avoid the permanent scars of a downturn. And in good times, running a high-pressure economy could have permanent positive effects.

Ideally, scientific theory and scientific measurement should develop in tandem, but in recent years this has not been the case in economics. There used to be a time when leading economists, or their students, established or led statistical offices and took care that the measurements were consistent with the theory (and vice versa). Not anymore. Macroeconomic theorists and macroeconomic statisticians do not even speak the same language any longer. They do use the same words, such as ‘consumption’, ‘investments’ or ‘unemployment’ but the meanings can often be different. This book maps the differences between macroeconomic theory and measurement and explores them in some detail while also tracking their intellectual, historical and, in some cases, ideological origins. It also explores the possible policy implications. In doing so, the book draws on two separate strands of literature which are seldom used in unison: macro-statistical manuals and theoretical macro-papers. By doing so, the book contributes to the effort to bridge the gap between them without compromising on the idea that a meaningful science of economics should, in the end, be based upon individual people and households and their social and cultural embedding instead of a ‘representative consumer’, or Robinson Crusoe figure. This work is essential reading for students, economists, statisticians, and professionals.

Standard New Keynesian (NK) models feature an optimal inflation target well below two percent, limited welfare losses from business cycle fluctuations and long-term monetary neutrality. We develop a NK framework with labour market frictions, endogenous productivity and downward wage rigidity (DWR) which challenges these results. The model features a non-vertical long-run Phillips curve between inflation and unemployment and a trade-off between price distortions and output hysteresis that change the welfare-maximizing inflation level. For a plausible set of parameters, the optimal inflation target is in excess of two percent, a target value commonly used across central banks. Deviations from the optimal target carry welfare costs multiple times higher than in traditional NK models. The main reason is that endogenous growth and DWR generate asymmetric and hysteresis effects on unemployment and output. Price level targeting or a Taylor-rule responding to the unemployment rate can handle better the asymmetric and hysteresis effects in our model and deliver significant welfare gains. Our results are robust to the inclusion of the effective lower bound on the monetary policy interest rate.

Compare global experiences during the balance sheet recession and find out what is needed for a full recovery The Escape from Balance Sheet Recession and the QE Trap details the many hidden dangers remaining as the world slowly recovers from the balance sheet recession of 2008. Author and leading economist Richard Koo explains the unique political and economic pitfalls that stand in the way of recovery from this rare type of recession that was largely overlooked by economists. Koo anticipated the current predicament in the West long before others and issued warnings in his previous books: Balance Sheet Recession and The Holy Grail of Macroeconomics. This new book illustrates how history is repeating itself in Europe while the United States, which learnt from the Japanese experience, is doing better by avoiding the fiscal cliff. However, because of the liberal dosage of quantitative easing already implemented, the United States, the United Kingdom, and Japan may face a treacherous path to normalcy in what Koo calls the QE Trap. He argues that it is necessary to understand balance sheet recession in order to resolve the Eurozone crisis, particularly the competitiveness problems. Koo issues warnings against those who are too ready to argue for structural reforms when the problems are actually with balance sheets. He re-examines Japan's two decades of experiences with this rare recession and offers an insider view on the Abenomics. On China, readers will gain a very different historical perspective as Koo argues that western commentators have forgotten their own history when they talk about the re-balancing of the Chinese economy. Learn from Japan which experienced the same predicament afflicting the West fifteen years earlier Discover how unwinding of quantitative easing will affect the United States, the United Kingdom, Japan, as well as the emerging world Examine solutions to the Eurozone problems caused by two balance sheet recessions eight years apart Gain insight into China's problems from the West's own experiences with urbanisation Koo, who developed the concept of balance sheet recession based on Japan's experience, took the revolution in macroeconomics started by John Maynard Keynes in 1936 to a new height. The Escape from Balance Sheet Recession and the QE Trap offers the world cure for balance sheet recession.

"The most consistent and courageous—and unapologetic—liberal partisan in American journalism." —Michael Tomasky, New York Review of Books In this "clear, provocative" (Boston Globe) New York Times bestseller, Paul Krugman, today's most widely read economist, examines the past eighty years of American history, from the reforms that tamed the harsh inequality of the Gilded Age and the 1920s to the unraveling of that achievement and the reemergence of immense economic and political inequality since the 1970s. Seeking to understand both what happened to middle-class America and what it will take to achieve a "new New Deal," Krugman has created his finest book to date, a "stimulating manifesto" offering "a compelling historical defense of liberalism and a clarion call for Americans to retake control of their economic destiny" (Publishers Weekly). "As Democrats seek a rationale not merely for returning to power, but for fundamentally changing—or changing back—the relationship between America's government and its citizens, Mr. Krugman's arguments will prove vital in the months and years ahead." —Peter Beinart, New York Times

This title presents a survey of the crime problem in Latin America, which takes a very broad and appropriately reductionist approach to analyse the determinants of the high crime levels, focusing on the negative social conditions in the region, including inequality and poverty, and poor policy design, such as relatively low police presence. The chapters illustrate three channels through which crime might generate poverty, that is, by reducing investment, by introducing assets losses, and by reducing the value of assets remaining in the control of households.

Watch a Video Watch a video Download the cheat sheet for Roger Lowenstein's The End of Wall Street » The roots of the mortgage bubble and the story of the Wall Street collapse-and the government's unprecedented response-from our most trusted business journalist. The End of Wall Street is a blow-by-blow account of America's biggest financial collapse since the Great Depression. Drawing on 180 interviews, including sit-downs with top government officials and Wall Street CEOs, Lowenstein tells, with grace, wit, and razor-sharp understanding, the full story of the end of Wall Street as we knew it. Displaying the qualities that made When Genius Failed a timeless classic of Wall Street-his sixth sense for narrative drama and his unmatched ability to tell complicated financial stories in ways that resonate with the ordinary reader-Roger Lowenstein weaves a financial, economic, and sociological thriller that indicts America for succumbing to the siren song of easy debt and speculative mortgages. The End of Wall Street is rife with historical lessons and bursting with fast-paced action. Lowenstein introduces his story with precisely etched, laserlike profiles of Angelo Mozilo, the Johnny Appleseed of subprime mortgages who spreads toxic loans across the landscape like wild crabapples, and moves to a damning explication of how rating agencies helped gift wrap faulty loans in the guise of triple-A paper and a takedown of the academic formulas that-once again- proved the ruin of investors and banks. Lowenstein excels with a series of searing profiles of banking CEOs, such as the ferretlike Dick Fuld of Lehman and the bloodless Jamie Dimon of JP Morgan, and of government officials from the restless, deal-obsessed Hank Paulson and the overmatched Tim Geithner to the cerebral academic Ben Bernanke, who sought to avoid a repeat of the one crisis he spent a lifetime trying to understand-the Great Depression. Finally, we come to understand the majesty of Lowenstein's theme of liquidity and capital, which explains the origins of the crisis and that positions the collapse of 2008 as the greatest ever of Wall Street's unlearned lessons. The End of Wall Street will be essential reading as we work to identify the lessons of the market failure and start to reb...

What circumstances or behaviors turn poverty into a cycle that perpetuates across generations? The answer to this question carries especially important implications for the design and evaluation of policies and projects intended to reduce poverty. Yet a major challenge analysts and policymakers face in understanding poverty traps is the sheer number of mechanisms—not just financial, but also environmental, physical, and psychological—that may contribute to the persistence of poverty all over the world. The research in this volume explores the hypothesis that poverty is self-reinforcing because the equilibrium behaviors of the poor perpetuate low standards of living. Contributions explore the dynamic, complex processes by which households accumulate assets and increase their productivity and earnings potential, as well as the conditions under which some individuals, groups, and economies struggle to escape poverty. Investigating the full range of phenomena that combine to generate poverty traps—gleaned from behavioral, health, and resource economics as well as the sociology, psychology, and environmental literatures—chapters in this volume also present new evidence that highlights both the insights and the limits of a poverty trap lens. The framework introduced in this volume provides a robust platform for studying well-being dynamics in developing economies.

During 2008-2009, the world experienced its worst financial and economic crisis since the Great Depression of the 1930s. The crisis followed the effects of the food and fuel price hikes in 2007 and 2008. In 2009, global output contracted by 2 per cent. This 2011 Report on the World Social Situation reviews the ongoing adverse social consequences of these crises after an overview of its causes and transmission.