Orson Wells made Citizen Kane, his greatest movie, when he was 25 years old; Frank Lloyd Wright designed Fallingwater, his most famous house, when he was 70. Contrasts as great as this raise the question of whether there is a general explanation of when in their lives great innovators are most...

Based on data from several samples of probate inventories we construct and analyze a time series of slave prices for South Carolina from 1722 to 1809. These estimates reveal that prices fluctuated without trend prior to the 1760s and then began to rise rapidly, more than doubling by the early...

Using data from samples of probate inventories we construct a series of slave prices for Low Country South Carolina and Georgia covering the period 1722-1815. Using these data we examine variations in slave prices by age and sex, as well as geographic variations between and within the two...

This paper relies on birth and death lists from plantation records to investigate the causes of low birth weight and poor health of young slave children. The sources of deprivation can be traced to the fetal period. The slave work routine was arduous overall and particularily intense during...

Underenumeration of vital events is a problem familiar topeople who work with historical demographic records. This paper proposes a method for recovering information about neonatal mortality.The approach utilizes average heights of young children to predict the birth weight of American slaves....

The nullification of slave wealth after the U.S. Civil War (1861-65) was one of the largest episodes of wealth compressions in history. We document that white Southern households holding more slave assets in 1860 lost substantially more wealth by 1870, relative to households that had been...

This working paper explores the significant contributions to the history of African-American slavery made by the application of the tools of cliometrics. As used here "cliometrics" is defined as a method of scientific analysis marked by the explicit use of economic theory and quantitative...

A long-standing debate concerns the rationality of slave owners and this paper addresses that debate within the context of manumission. Using a new sample of 19th-century Virginia manumissions, I show that manumission was associated with the productive characteristics of slaves. More productive...

There is controversy about whether geography matters mainly because of its contemporaneous impact on economic outcomes or because of its interaction with historical events. Looking at terrain ruggedness, we are able to estimate the importance of these two channels. Because rugged terrain hinders...

We investigate the historical origins of mistrust within Africa. Combining contemporary household survey data with historic data on slave shipments, we show that individuals whose ancestors were heavily raided during the slave trade today exhibit less trust in neighbors, relatives, and their...