<DIV><DIV><I>Social Security Policy in a Changing Environment</I> analyzes the changing economic and demographic environment in which social insurance programs that benefit elderly households will operate.  It also explores how these ongoing trends will affect future beneficiaries, under both the current social...</i></div></div>

<DIV><P>In nearly every industrialized country, large aging populations and increased life expectancy have placed enormous pressure on social security programs—and, until recently, the pressure has been compounded by a trend toward retirement at an earlier age. With a larger fraction of the population...</p></div>

<DIV><I>Studies in the Economics of Aging</I> is the fourth book in a series from the National Bureau of Economic Research that addresses economic issues in aging and retirement. Building on the research in <I>The Economics of Aging</I> (1989), <I>Issues in the Economics of Aging</I> (1990), and <I>Topics in the Economics...</i></i></i></i></div>

<DIV><DIV>Many countries have social security systems that are currently financially unsustainable. Economists and policy makers have long studied this problem and identified two key causes. First, as declining birth rates raise the share of older persons in the population, the ratio of retirees to...</div></div>

<DIV>The population base in both the United States and Japan is growing older and, as those populations age, they provoke heretofore unexamined economic consequences. This cutting-edge, comparative volume, the third in the joint series offered by the National Bureau of Economic Research and the Japan...</div>

<DIV>In the past several decades, pension plans have become one of the most significant institutional influences on labor and financial markets in the U.S. In an effort to understand the economic effects of this growth, the National Bureau of Economic Research embarked on a major research project in...</div>

This paper summarizes the authors work on the effect of IRA and 401(k) contributions on net personal saving. They consider many different nonparametric approaches to controlling for heterogeneity in individual saving behavior and conclude that the weight of the available evidence suggests that...