Starting in the 1930s, commercial hybrid corn seeds rapidly replaced the once predominant open-pollinated varieties planted by farmers. By the mid-1950s almost all corn grown in the United States was of hybrid varieties. Observers have argued that the drought tolerant qualities of these hybrids...

This paper uses a unique data set from 1957 to examine whether or not Blue Cross and Blue Shield suffered from an adverse selection death spiral after for-profit commercial insurance companies entered the market for health insurance. Results suggest that moving to experience rating may have...

In 1954, the Internal Revenue Service stipulated that employer contributions to the health insurance plans of their employees were to be excluded from employee taxable income. Today, the tax subsidy is major feature of the U.S. health care market. This paper examines the initial effects of the...

This paper examines the shift in childbirth from home to hospital that occurred in the United States in the early twentieth century. Using a panel of city-level data over the period 1927-1940, we examine the shift of childbirth from home to hospital and analyze the impact of medical care on...

From 1922 to 1929, the Sheppard-Towner Act provided matching grants to states to fund maternal and infant care education initiatives. We examine the effects of this public health program on infant mortality. States engaged in different types of activities, allowing us to examine whether...

This paper examines the racial gap in infant mortality rates from 1920 to 1970. Using state-level panel data with information on income, urbanization, women's education, and physicians per capita, we can account for a large portion of the racial gap in infant mortality rates between 1920 and...

The ratification of the Nineteenth Amendment in 1920 officially granted voting rights to women across the United States. However, many states extended full or partial suffrage to women before the federal amendment. In this paper, we discuss the history of women's enfranchisement using an...