To fill these gaps, beneficiaries must actively choose among several insurance options—enrolling in Medicare Advantage, adding private supplemental insurance to traditional Medicare, or, for those ...

The employment rate for men declines by 18 percentage points between ages 51 and 61. If that decline were cut in half, the authors calculate that the average cognitive score would increase by about ...

The NBER Board of Directors appointed 35 Research Associates at its September 2026 meeting. Research Associates must be tenured faculty members at North American colleges or universities; their ...

Analyses of survey data may be confounded if people use response scales differently. We formalize and generalize the theory behind using “calibration questions,” such as vignettes, to correct for ...

The impact of AI on the employment prospects of recent college graduates is hotly debated with no consensus on the magnitude of impacts nor even the timing of those potential impacts. Using CPS ...

Policies restricting gun sales face substantial political opposition and constitutional constraints. In this paper, we ask how costly it would be to induce potential hand-gun buyers to choose less ...

This paper examines the revenue and migration impact of the 2026 California Billionaire Tax Act, a one-time 5 percent tax on the worldwide net worth of individuals exceeding $1 billion. Using data ...

We propose a general equilibrium model in which U.S. monetary policy affects global risk premia by revaluing the wealth of currency-mismatched arbitrageurs. Assuming their portfolios are mean-variance ...

Venture capital specializes in the financing of customer capital intensive firms—firms with higher sales and marketing expense to revenue ratios, a higher wage bill for sales and marketing employees, ...

China launched a nationwide, rate-based carbon market in 2021. Covering the world’s top CO2 emitter, compliance depends on the intensity of carbon emissions rather than an absolute cap. We draw on the ...

Foreign aid has become a melting pot of motivations and policies, where differently-motivated actors often converge on recommended policies while the similarly-motivated diverge. Breaking down the ...

Many public policies aim to support (or change the behavior of) a specific, targeted sub-group of the population. To measure the causal impacts of such policies, social scientists use ...