A major challenge in the study of saving behavior is how to disentangle different motives for saving. We approach this question in the context of an entire life-cycle model. Specifically, we identify the importance of different saving motives by simultaneously accounting for wealth...

How does the value of life affect annuity demand? To address this question, we construct a portfolio choice problem with three key features: i) agents have access to life-contingent assets, ii) they always prefer living to dying, iii) agents have non-expected utility preferences. We show that as...

Should public policies address inequality due to heterogeneous life expectancy? Intuitively, taking short life as a disadvantage, such policies should favor those with high mortality. Yet, pension systems implicitly redistribute from low-life-expectancy to high-life-expectancy people. Moreover,...

Two key components of the upcoming health reform in the U.S. are a new regulation of the individual health insurance market and an increase in income redistribution in the economy. Which component contributes more to the welfare outcome of the reform? We address this question by constructing a...

How does the value of life affect annuity demand? To address this question, we construct a portfolio choice problem with three key features: i) agents have access to life-contingent assets, ii) they always prefer living to dying, iii) agents have non-expected utility preferences. We show that as...

A major source of insurance coverage for non-elderly adults in the US is employer-based health insurance market. Every participant of this market gets a tax subsidy since premiums are excluded from taxable income. However, people have different incentives to participate in the employer-based...

Two key components of the upcoming health reform are a reorganization of the individual health insurance market and an increase in income redistribution in the economy. Which component contributes more to the welfare outcome of the reform? We address this question by constructing a general...

Why do most individuals claim Social Security benefits before the full retirement age? Claiming benefits early results in a substantial reduction in pension income, yet many people claim as early as possible (age 62) or soon thereafter. We argue that by answering this question, we can make two...

What generates the observed differences in economic outcomes by health? How costly it is to be unhealthy? We show that health dynamics are largely driven by ex-ante fixed heterogeneity, or health types, even when controlling for one’s past health history. In fact, health types are the key...

Why most people claim Social Security benefits early? And why early claimers tend to work less? We investigate the role of preferences and institutions in claiming decisions using a structural framework. A claiming decision represents an annuitization problem, which is linked to labor supply...