Tax-qualified retirement plans seek to promote saving for retirement, yet most employers permit pre- retirement access by letting 401(k) participants borrow plan assets. This paper examines who borrows and why, and who defaults on their loans. Our administrative dataset tracks several hundred...

The US home ownership rate rose by 10 percentage points between 1940 and 1945, about half the size of the net change over the 20th century, despite severe restrictions on construction during World War II. I present evidence that wartime rent control -- which covered over 80 percent of the 1940...

This paper studies the impact of unemployment insurance (UI) on consumer credit markets. Exploiting heterogeneity in UI generosity across U.S. states and over time, we find that UI helps the unemployed avoid defaulting on their mortgage debt. We estimate that UI expansions during the Great...

This paper investigates whether exchanging the Social Security delayed retirement credit (currently paid as an increase in lifetime annuity benefits) for a lump sum would induce later claiming and additional work. We show that people would voluntarily claim about half a year later if the lump...

Various theories of market failures and targeting motivate the promotion of entrepreneurship training programs throughout the world. Using data from the largest randomized control trial ever conducted on entrepreneurship training, we examine the validity of such motivations and find that...

This paper explores the practice of mortgage refinancing in a dynamic competitive lending model with risky borrowers and costly default. We show that prepayment penalties improve welfare by ensuring longer-term lending contracts, which prevents the mortgage pools from becoming disproportionately...

We develop an empirical search-matching model which is suitable for analyzing the wage, employment and welfare impact of regulation in a labor market with heterogeneous workers and jobs. To achieve this we develop an equilibrium model of wage determination and employment which extends the...

We analyze optimal policy when consumers of energy-using durables undervalue energy costs relative to their private optima. First, there is an Internality Dividend from Externality Taxes: aside from reducing externalities, they also offset distortions from underinvestment in energy efficiency....

We present an empirical test for the addictiveness of lottery gambling. To distinguish state dependence from serial correlation, we exploit an exogenous shock to local market consumption of lottery gambling. We use the sale of a winning ticket in the zip code, the location of which is random...

The mortgage interest deduction, the property tax deduction, the unique treatment of capital gains on owner-occupied homes, and the absence of taxation on imputed rent from owner-occupied homes all influence the effective cost of housing services. They also affect federal income tax revenues and...