The impact of an ageing population on the economy is one of the key issues in most developed countries. It is a generally accepted notion that an ageing population could cause negative effects, including a decrease of per-capita output and economic welfare, on the economy mainly due to the...

Motivated by empirical evidence that fluctuations in age structure affect relative wages across age groups, this paper asks whether there is a steady-state age distribution that maximizes the lifetime wages of a representative worker. The paper proves the surprising result that in a pure labor...

Objective: This paper presents a new approach for understanding factors related to physician adoption of clinical guidelines, using children's vaccine recommendations as a case study. Methods: The model traces sequential steps, from awareness to agreement to adoption and, finally, adherence to...

Objectives : To examine whether per capita income and income inequality are independently associated with teen birth rate in populous U.S. counties. Methods : This study used 1990 U.S. Census data and National Center for Health Statistics birth data. Income inequality was measured with the 90:10...

This paper examines the impact of parental economic status and family size on the actual and expected fertility of adult children using longitudinal data from two generations of families participating in the Panel Study of Income Dynamics. There was a modest positive relationship between first...

Recently, the National Academy of Sciences concluded “it is clear thatpopulation and the environment are usually interrelated . . . ”. This paper directlytests the expected interrelationship using annual county-level population estimatesprovided by the U.S. Census Bureau and annual counts of...

The oft-observed inverse relationship between economic activity in the formal or informal sector and levels of fertility is attributed to the opportunity costs of reproduction. The economic and social policies that initiate and maintain the substantial flow of federal transfer payments to the...