We document the correlations between early childhood health (as proxied by height) and educational attainment and investigate the labor market and wealth returns to height for United States cohorts born between 1820 and 1990. The nineteenth century was characterized by low investments in height...

I discuss the health transition in the United States, bringing new data to bear on health indicators, and investigating the changing relationship between health, income, and the environment. I argue that scientific advances played an outsize role and that health improvements were largest among...

By the end of the Civil War, 186,017 black men had fought for the Union Army and roughly three-quarters of these men were former slaves. Because most of the black soldiers who served were illiterate farm workers, the war exposed them to a much broader world. The war experience of these men...

We argue that the environment determines life span, using historical data to show that such indicators of environmental insults in early childhood and young adulthood as quarter of birth, residence, occupation, wealth, and the incidence of specific infectious diseases affected older age...

The US Civil War provides researchers a unique opportunity to identify wartime leaders and thus to test theories of leadership. By observing both leaders and followers during the war and forty years after it, I establish that the most able became wartime leaders, that leading by example from the...

“Nudges” are being widely promoted to encourage energy conservation. We show that the popular electricity conservation “nudge” of providing feedback to households on own and peers’ home electricity usage in a home electricity report is two to four times more effective with political...

I argue that the trend toward single households among retired men 65 years of age or older has been ongoing since 1880. When coresidence is measured by the percentage of elderly men living in the households of their children or other relatives, fully 57 percent of the decline in coresidence...

I examine the effects of an unearned income transfer on the retirement rates and living arrangements of a very poor population by studying the effects of pensions on the decisions of black Union Army veterans. I find that blacks were 2 to 5 times as responsive as whites to income transfers in...

I investigate why the United States did not adopt European style health insurance in the 1910s by examining voting determinants on the 1918 referendum on state-provided health insurance in California. I find that although the persuasiveness of interest groups, especially doctors, was an...