Is the top tail of wealth a set of fixed individuals or is there substantial turnover? We estimate upper-tail wealth dynamics during the Gilded Age and beyond, a time of rapid wealth accumulation and ...

We do so using a synthetic difference-in-differences design that leverages variation from the 2022 Dobbs decision, which allowed states to ban abortion, and population flows based on change-of-address ...

How Do Researchers Become Affiliated Scholars? NBER affiliates are selected through a rigorous and competitive process that begins with a call for nominations each February. Program directors, with ...

Charging infrastructure is critical to electric vehicle (EV) adoption, but for chargers to be most useful, EV drivers need to know in real time where they are and whether they are working and ...

This paper explores past episodes of technological disruption in the US labor market, with the goal of learning lessons about the likely future impact of artificial intelligence (AI). We measure ...

We investigate conditions sufficient for identification of average treatment effects using instrumental variables. First we show that the existence of valid instruments is not sufficient to identify ...

We present a model that links heterogeneity of preferences across ethnic groups in a city to the amount and type of public good the city supplies. We test the implications of the model with three ...

A reduction in trade barriers generally will affect the environment by expanding the scale of economic activity, by altering the composition of economic activity, and by bringing about a change in the ...

This paper examines the role of domestic political economy forces in determining a government's ability to project geoeconomic power abroad. We also discuss the role that persuading or coercing ...

The demographic transition a change from high to low rates of mortality and fertility has been more dramatic in East Asia during this century than in any other region or historical period. By ...

This paper presents a model that integrates money, relative prices, and the current account balance as factors explaining movements in nominal (effective) exchange rates. Thus money and the current ...

Cities are often described as engines of economic growth. We assess this statement quantitatively. We focus on two mechanisms: a static agglomeration effect that makes production in bigger cities more ...