General medical care in the United States has historically been provided by physicians who care for their patients in both ambulatory and hospital settings. Care is now increasingly divided between physicians specializing in hospital care (hospitalists) and ambulatory-based care primary care...

Industrial revolution in the United States first took hold in rural New England as factories arose and grew in a handful of industries such as textiles and shoes. However, as factory scale economies rose and factory production techniques were adopted by an ever growing number of industries,...

We develop a new methodology for quantifying the tasks undertaken within occupations using over 3,000 verbs from more than 12,000 occupational descriptions in the Dictionary of Occupational Titles (DOTs). Using micro-data from the United States from 1880-2000, we find an increase in the...

The long-standing view in US economic history is the shift in manufacturing in the nineteenth century from the artisan shop to the mechanized factory led to "labor deskilling." Craft workers were displaced by mix of semi-skilled operatives, unskilled workers, and a reduced force of mechanics to...

We model the implications of the classical ideas that larger markets allow for a finer division of labor and this division feeds back into larger market size. Market size affects specialization due to firm-level increasing returns to scale arising from fixed costs of adopting...

We map United States comparative advantage between 1980 and 1995, by trading partner and region, using Balassa's export-based index of Revealed Comparative Advantage (RCA). We find: temporally stable and ubiquitous US comparative advantage in differentiated producer goods (except disadvantage in...

This paper estimates the Rybczynski equation matrix for the twenty two-digit U.S." manufacturing industries for various years between 1880 and 1987. As predicted by the standard" general equilibrium theory of interregional trade, the regression estimates show that a consistent" set of factor...

The share in world exports of manufactured goods of U.S. multinational firms, including their majority-owned overseas affiliates, has been nearly stable since 1966. This stability, over a period in which the export share of the U.S. as a geographical entity was declining for the most part,...

The comparative advantage of many cities is based on their efficiency in the production of 'functions', e.g., business services such as finance, law, engineering, or similar functions that are used by firms in a wide range of sectors. Firms that use these functions may choose to source them...

In theory, unilateral divorce laws alter the private incentive to invest in human capital by permitting either spouse to initiate the division of the marital assets. Using several causal research designs we show that both men and women are less likely to attain a bachelor's degree in states with...