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Using natural language processing, we identify corporate goals stated in the shareholder letters of the 150 largest companies in the United States from 1955 to 2020. Corporate goals have proliferated, ...
This paper considers why fertility has fallen to historically low levels in virtually all high-income countries. Using cohort data, we document rising childlessness at all observed ages and falling ...
Current technological developments in a number of industries, such as the rise of artificial intelligence and innovations ...
In addition to working papers, the NBER disseminates affiliates’ latest findings through a range of free periodicals — the ...
In addition to , the NBER disseminates affiliates’ latest findings through a range of free periodicals — the , the , the , the , and the — as well as online , , and .
The Development of the American Economy (DAE) program was one of the first research programs launched by Martin Feldstein in 1978 when he formalized the modern structure of the NBER. The mission of ...
Fatal Years is the first systematic study of child mortality in the United States in the late nineteenth century. Exploiting newly discovered data from the 1900 Census of Population, Samuel Preston ...
While prior studies of language acquisition have focused on schools, we show the overwhelming influence of out-of-school learning. We identify the causal effect of subtitling in a ...
The charter school movement encompasses many school models. In Massachusetts in the 2010’s, the site of our study, urban charter schools primarily used “No Excuses” practices, whereas nonurban ...
In the United States, unemployment insurance (UI) is funded through employer-side payroll taxes that are experience-rated based on previous UI claims. States differ significantly with respect to the ...
Medium- and long-run dynamics undermine the effect of automatic enrollment and default savings-rate auto-escalation on retirement savings. Our analysis of nine 401 (k) plans incorporates the facts ...
Using newly-collected data on the near-population of U.S. STEM PhD graduates since 1950, we examine who funds PhD training, how many graduates are trained in areas of strategic national importance, ...