This paper analyzes how aging parents’ health conditions affect household labor supply. I propose a time-use model with wage heterogeneity and assume that care responsibilities involve both time and budget constraints. When households can purchase care services, differences in secondary earners’ wages and care requirements lead to heterogeneity in household responses to a parental health shock. Primary earners and high-wage secondary earners work more. I confirm the model’s predictions by using panel data from the Health and Retirement Study to construct an exogenous shock from the change in parents’ health conditions and estimate its impact on labor supply.

本文分析了年迈父母的健康状况如何影响家庭劳动力供给。我提出了一个具有工资异质性的时间使用模型，并假设护理责任涉及时间和预算限制。当家庭可以购买护理服务时，第二收入者的工资和护理要求的差异会导致家庭对父母健康冲击的反应存在异质性。主要收入者和高工资第二收入者工作更多。我通过使用健康与退休研究的面板数据来确认该模型的预测，构建了父母健康状况变化的外生冲击，并估计其对劳动力供应的影响。