This paper examines the effects of Individual Retirement Accounts (IRAs) on private and national saving. The authors construct a formal model of dynamic utility maximization that generates closed-form equations for IRA and other saving. Their empirical estimates indicate that raising the annual...

Even among households with similar socioeconomic characteristics, saving and wealth vary considerably. Life-cycle models attribute this variation to differences in time preference rates, risk tolerance, exposure to uncertainty, relative tastes for work and leisure at advanced ages, and income...

This paper presents a list of the top 20 articles published in the <em>American Economic Review</em> during its first 100 years. This list was assembled in honor of the <em>AER</em>'s one-hundredth anniversary by a group of distinguished economists at the request of <em>AER</em>'s editor. A brief description accompanies...

We propose a model of addiction based on three premises: (i) use among addicts is frequently a mistake; (ii) experience sensitizes an individual to environmental cues that trigger mistaken usage; (iii) addicts understand and manage their susceptibilities. We argue that these premises find support...