This paper considers the problem of aggregation in the case of large linear dynamic panels, where each micro unit is potentially related to all other micro units, and where micro innovations are allowed to be cross sectionally dependent. Following Pesaran (2003), an optimal aggregate function is...

Public educators and philanthropists in the late 19th century United States promoted the establishment of kindergartens in cities as a remedy for the social problems associated with industrialization and immigration. Between 1880 and 1910, more than seven thousand kindergartens opened their...

The trade-off between child quantity and education is a crucial ingredient of unified growth models that explain the transition from Malthusian stagnation to modern growth. We present first evidence that such a trade-off indeed existed before the demographic transition, exploiting a unique...

The interaction between investment in children's education and parental fertility is crucial in recent theories of the transition from Malthusian stagnation to modern economic growth. This paper contributes to the literature on the child quantity-quality trade-off with new county-level evidence...

By merging individual data on valuable patents granted in Prussia in the late nineteenth century with county level information on literacy and income tax revenues we show that increases in the stock of human capital not only improved workers ́productivity but also accelerated innovative...

This paper advances a novel hypothesis regarding the historical roots of labor emancipation. It argues that the decline of coercive labor institutions in the industrial phase of development has been an inevitable by-product of the intensification of capital-skill complementarity in the...