The Census Tree is the largest-ever database of record links among the historical U.S. censuses, with over 700 million links for people living in the United States between 1850 and 1940. These high-quality links allow researchers in the social sciences and other disciplines to construct a...

Expansions of Medicaid eligibility intend to improve access to care, and to shift care from emergency rooms and inpatient hospital care to more appropriate sites. We examine the effect of Medicaid recipiency on the level and site of medical service utilization using data from 1985 and 1987...

This paper estimates child mortality by race and nativity for the U.S. as a whole and the Death Registration Area based on the public use micro- samples of the 1900 and 1910 censuses. We compare indirect estimates to mortality rates and parameters based on published census and vital statistics...

Though the geographic, occupational, and financial mobility of average Americans were important aspects of nineteenth century U.S. economic development, the extent and correlates of this economic mobility have remained open to debate in the absence of individual- level longitudinal data. This...

In the 130 years from the first federal census of the United States in 1790, the American population increased from about 4 million men to almost 107 million persons. This was predominantly due to natural increase, early driven by high birth rates and moderate motrality levels and after the...

This paper investigates the problem of responseand coding errors in the Current Population Survey. It draws upon a potentially rich source o finformation for verifying survey answers, a three month matched sample of CPS respondents, to analyze whether individuals' questionnaire responses...

Survey refusal in the Current Population Survey (CPS) has tripled over the last decade. This rise coincides with the emergence of rhetoric, largely from the political right, questioning the accuracy and integrity of government statistics. We examine how support for the Tea Party and the...

Linking individuals across historical datasets relies on information such as name and age that is both non-unique and prone to enumeration and transcription errors. These errors make it impossible to find the correct match with certainty. We suggest a fully automated method for linking...

This paper looks at the fertility and mortality experience of racial and ethnic groups in the United States from the early 20th century to the present. The first part consist of a description and critique of the racial and ethnic categories used in the federal census and in the published vital...

We discover and document errors in public use microdata samples ("PUMS files") of the 2000 Census, the 2003-2006 American Community Survey, and the 2004-2009 Current Population Survey. For women and men ages 65 and older, age- and sex-specific population estimates generated from the PUMS files...