During the past decade, analyses of artistic creativity have demonstrated the contrast in creative life cycles between experimental old masters and conceptual young geniuses. This article extends the analysis to scientists. Charles Darwin was a great experimental innovator, who spent decades...

Earlier work has established a strong positive relationship between a household's wealth and its duration in the local economy. This paper explores the possible connection between the magnitude of this wealth/duration relationship and the community's precedence rate--the percentage of households...

This paper investigates the characteristics of the early settlers on the midwestern farming frontier, the correlates of their geographic mobility, and the determinants of their wealth. Using evidence drawn from the manuscripts of the federal censuses of 1850-1870, we find average rates of growth...

Earlier work has established a strong positive relationship between a household's wealth and its duration in the local economy. This paper explores the possible connection between the magnitude of this wealth/duration relationship and the community's precedence rate--the percentage of households...

This paper investigates the characteristics of the early settlers on the midwestern farming frontier, the correlates of their geographic mobility, and the determinants of their wealth. Using evidence drawn from the manuscripts of the federal censuses of 1850-1870, we find average rates of growth...