This paper provides an empirical analysis of how the U.S. Social Security and Medicare insurance system affect the labor supply of older males in the presence of incomplete markets for loans, annuities, and health insurance. We estimate a detailed dynamic programming (DP) model of the joint labor

A number of organizations publish microdata for purposes such as public health and demographic research. Although attributes that clearly identify individuals, such as Name and Social Security Number, are generally removed, these databases can sometimes be joined with other public databases

Data on individuals and entities are being collected widely. These data can contain information that explicitly identifies the individual (e.g., social security number). Data can also contain other kinds of personal information (e.g., date of birth, zip code, gender) that are potentially

In six experiments, we show that initial valuations of familiar products and simple hedonic experiences are strongly influenced by arbitrary "anchors " (sometimes derived from a person's social security number). Because subsequent valuations are also coherent with respect to salient

Under the Economic Growth and Tax Relief Reconciliation Act of 2001, most U.S. taxpayers received a tax rebate between July and September, 2001. The week in which the rebate was mailed was based on the second-to-last digit of the taxpayer's Social Security number, a digit that is effectively

Block et al. (I) reported a method to estimate year of birth using the Social Security number in cohort studies in which the age of a significant portion of cases was unknown. Social Security numbers have proven useful to us in a different way in a long-term follow-up study of childhood lead

this problem, we have been examining how people experience security as a facet of their daily life, and how they routinely answer the question, “is this system secure enough for what I want to do?” We present a number of findings concerning the scope of security, attitudes towards security, and the social

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