Starting point of this book is the observation that an increase in public debt must be accompanied by a rise in the primary surplus of the government to guarantee sustainability of public debt. The book first elaborates on that principle from a theoretical point of view and then tests whether empirical evidence for that rule can be found. Additional tests are implemented to gain further evidence on sustainability of public debt. In order to allow for time varying coefficients penalized spline estimations are performed. The theoretical chapters present endogenous growth models and assume that the primary surplus rises as public debt increases so that sustainability of public debt is given. Implications of public deficits and debt are studied assuming full employment and for unemployment. The conclusion summarizes the findings and compares the results of the different models. Finally, policy implications are given showing how governments should deal with high public debt to GDP ratios.

This paper explores the impact of high public debt on long-run economic growth. The analysis, based on a panel of advanced and emerging economies over almost four decades, takes into account a broad range of determinants of growth as well as various estimation issues including reverse causality and endogeneity. In addition, threshold effects, nonlinearities, and differences between advanced and emerging market economies are examined. The empirical results suggest an inverse relationship between initial debt and subsequent growth, controlling for other determinants of growth: on average, a 10 percentage point increase in the initial debt-to-GDP ratio is associated with a slowdown in annual real per capita GDP growth of around 0.2 percentage points per year, with the impact being somewhat smaller in advanced economies. There is some evidence of nonlinearity with higher levels of initial debt having a proportionately larger negative effect on subsequent growth. Analysis of the components of growth suggests that the adverse effect largely reflects a slowdown in labor productivity growth mainly due to reduced investment and slower growth of capital stock.

Public debt has become a severe problem for a great many economies. While the effects of tax policies on the allocation of resources are readily derived, the mechanisms that make public deficits and debt influence the economy are not so easily understood. This book elaborates on the effects of public debt starting from the intertemporal budget constraint of the government. It is shown under which conditions a government can stick to the intertemporal budget constraint and then, demonstrated how public debt affects the growth process and welfare in market economies. The effects are derived for models with complete labor markets as well as taking into account labor market imperfections. The focus in this book is on fiscal policy issues, but it also deals with monetary policy aspects. The theoretical analysis is complemented with empirical time series analyses on debt sustainability and with panel studies dealing with the relationship between public debt and economic growth.

The increase in the U.S. public debt over the past twelve years raises questions about its implications for investment and economic growth. This paper places these developments within an international and historical context and quantitatively examines the implications of various measures of the current U.S. public debt-to-GDP ratio on economic growth. The analysis is undertaken through extensions of recently developed endogenous growth models. The results suggest that while higher levels of the public debt may affect long-run economic growth negatively, the order of magnitude is not large enough to be a cause for serious concern.

A dive into the origins, management, and uses and misuses of sovereign debt through the ages. Public debts have exploded to levels unprecedented in modern history as governments responded to the Covid-19 pandemic and ensuing economic crisis. Their dramatic rise has prompted apocalyptic warnings about the dangers of heavy debtsabout the drag they will place on economic growth and the burden they represent for future generations. In Defense of Public Debt offers a sharp rejoinder to this view, marshaling the entire history of state-issued public debt to demonstrate its usefulness. Authors Barry Eichengreen, Asmaa El-Ganainy, Rui Esteves, and Kris James Mitchener argue that the ability of governments to issue debt has played a critical role in addressing emergenciesfrom wars and pandemics to economic and financial crises, as well as in funding essential public goods and services such as transportation, education, and healthcare. In these ways, the capacity to issue debt has been integral to state building and state survival. Transactions in public debt securities have also contributed to the development of private financial markets and, through this channel, to modern economic growth. None of this is to deny that debt problems, debt crises, and debt defaults occur. But these dramatic events, which attract much attention, are not the entire story. In Defense of Public Debt redresses the balance. The authors develop their arguments historically, recounting two millennia of public debt experience. They deploy a comprehensive database to identify the factors behind rising public debts and the circumstances under which high debts are successfully stabilized and brought down. Finally, they bring the story up to date, describing the role of public debt in managing the Covid-19 pandemic and recession, suggesting a way forward once governmentsnow more heavily indebted than beforefinally emerge from the crisis.

The global economy has experienced four waves of rapid debt accumulation over the past 50 years. The first three debt waves ended with financial crises in many emerging market and developing economies. During the current wave, which started in 2010, the increase in debt in these economies has already been larger, faster, and broader-based than in the previous three waves. Current low interest rates mitigate some of the risks associated with high debt. However, emerging market and developing economies are also confronted by weak growth prospects, mounting vulnerabilities, and elevated global risks. A menu of policy options is available to reduce the likelihood that the current debt wave will end in crisis and, if crises do take place, will alleviate their impact.

The goal of every nation's economic policy is to ensure a high and stable level of economic growth. The importance of a financial system in promoting economic growth and reducing poverty has been demonstrated by a number of empirical studies. It is also well known that a country's public borrowing and its nature are important determinants of its economic performance. Moreover, the broader economic consequences of public debt buildups is a topic that is receiving substantial attention in academic and policy circles. Such analysis becomes even more relevant in light of the recent meltdown of the world financial system followed by the incidence of public debt. This book investigates the relationship between public debt composition, financial development, and economic growth by controlling the macro and institutional factors in which the debt was issued in countries grouped by income levels. Different features of these issues and their mutual implications are examined through the application of empirical and theoretical approaches.