This paper focuses on the relationship between wages and supply of informal care to elderly parents. Unlike most of the previous research estimating wage elasticities of informal care supply, this study employs instrumental variable technique to account for the fact that the wage rate is likely...

This paper focuses on the relationship between wages and supply of informal care to elderly parents. Unlike most of the previous research estimating wage elasticities of informal care supply, this study employs instrumental variable technique to account for the fact that the wage rate is likely...

Ashenfelter and Krueger's (1993) within-twin, measurement-error- corrected estimate of the return to schooling is about 13-16 percent. If their estimate is unbiased, then their results imply considerable downward measurement error bias in uncorrected within-twin estimates of the return to...