We take for granted today that the assessments, measurements, and forecasts of economists are crucial to the decision-making of governments and businesses alike. But less than a century ago that wasn’t the case—economists simply didn’t have the necessary information or statistical tools to...

The aim of this paper is to describe the full dimensions of a new and rapidly growing research program that uses new data sources on food consumption, anthropometric measures, genealogies, and life-cycle histories to shed light on secular trends in nutritional status, health, mortality, and the...

This paper argues that a model of sequential choice is superior to the standard rational choice model in explaining a process as complex and dynamic as the political realignment of the 1850s. Part 1 sketches the facts and processes that need to be encompassed by a model and identifies key...

The modern secular decline in mortality in Western Europe did not begin until the 1780s and the first wave of improvement was over by 1840. The elimination of famines and of crisis mortality played only a secondary role during the first wave of the decline and virtually none thereafter....