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We develop a framework for valuing improvements in health and apply it to past and prospective reductions in mortality in the United States. We calculate social values of (i) increased longevity over the twentieth century, (ii) progress against various diseases after 1970, and (iii) potential future progress against major diseases. Cumulative gains in life expectancy after 1900 were worth over $1.2 million to the representative American in 2000, whereas post-1970 gains added about $3.2 trillion per year to national wealth, equal to about half of GDP. Potential gains from future health improvements are also large; for example, a 1 percent reduction in cancer mortality would be worth $500 billion.

We estimate how 1970-90 changes in an outcome-based measure of school quality (state average test scores) affected changes in earnings for those leaving high school to enter a state's labor force. We find that a one standard deviation deterioration in a state's relative test score performance is associated with a 3% (or .5 SD) reduction in average wages of young entrants to the labor force. We also find a similar decline in college matriculation. There is weak evidence that the school quality effect on earnings diminishes as labor force entrants acquire experience.

Using the March Current Population Surveys and the 1960 census, this article describes earnings and employment changes for married couples in different types of households stratified by the husband's hourly wage. While declines in male employment and earnings have been greatest for low-wage men, employment and earnings gains have been largest for wives of middle- and high-wage men. These findings cast doubt on the notion that married women have increased their labor supply in the recent decades to compensate for the disappointing earnings growth of their husbands.

Using data from the March Current Population Survey, we document an increase over the past 30 years in wage inequality for males. Between 1963 and 1989, real average weekly wages for the least skilled workers (as measured by the tenth percentile of the wage distribution) declined by about 5 percent, whereas wages for the most skilled workers (as measured by the ninetieth percentile of the wage distribution) rose by about 40 percent. We find that the trend toward increased wage inequality is apparent within narrowly defined education and labor market experience groups. Our interpretation is that much of the increase in wage inequality for males over the last 20 years is due to increased returns to the components of skill other than years of schooling and years of labor market experience. Our primary explanation for the general rise in returns to skill is that the demand for skill rose in the United States over this period. [ABSTRACT FROM AUTHOR]