Score contribution per author:
α: calibrated so average coauthorship-adjusted count equals average raw count
We apply disjoint principal components analysis to study institutional influences on the course of poverty in the nineteenth century. Classificatory data summarize varied facets of economic and noneconomic institutional structure and change.Four sets of countries are distinguished by characteristics of the course of poverty. The components models show that the impact of economic and demographic changes (export expansion, marketization, industrial expansion, immigration) have consequences for poverty that vary greatly between and within country sets, depending on the character of institutions: above all, land systems, dependence relationships, and political institutions.