New NBER Research

24 June 2016

Occupational Regulation and Labor Supply:
Evidence from the Nurse Licensure Compact

The Nurse Licensure Compact was introduced to ease movement of registered nurses into areas of high demand by permitting them to practice across state lines without obtaining additional licensure. But a study by Christina DePasquale and Kevin Stange finds no evidence that the Compact increases labor supply, suggesting that nationalizing occupational licensing might not substantially reduce labor market frictions.

23 June 2016

Does Legalization Reduce Black Market Activity?
Evidence from a Global Ivory Experiment

Solomon Hsiang and Nitin Sekar find that international announcement of one-time, legal sale of ivory stocks in 2008 coincided with an abrupt increase of about 66 percent in illegal ivory production across two continents. They find that the recent, widely documented increase in elephant poaching may have originated with the legal sale.

22 June 2016

Are Supply Shocks Contractionary
at the Zero Lower Bound?

Julio Garín, Robert Lester, and Eric Sims estimate that positive productivity shocks are more expansionary at the zero lower bound (ZLB) than in normal times, contrary to the prediction of the basic New Keynesian model.
More Research

NBER in the News

New in the NBER Reporter

Scientific Teamwork and Economic Thinking

Team performance in many settings presents a challenge to economic thinking because of the various free-riding issues involved. This is especially true for scientific teams, where rewards tend to be non-monetary, Joshua Gans and Fiona Murray write in the current issue of the quarterly NBER Reporter. writes in the latest issue of the quarterly NBER Reporter that recent research shows the international monetary system retains many structural features of the Bretton Woods regime.

Follow us on
Twitter RSS facebook

This Week's Working Papers

A New Book

NBER Macroeconomics
Annual 2015

Major trends and cycles in the Chinese economy, the large differences among countries in the effect of rising public debt, and the influence of CFOs’ growth expectations on their firms’ investments are among topics probed in the 30th volume of the NBER Macroeconomics Annual. Researchers also explore the network structure of the U.S. economy, the usefulness of household belief studies for understanding economic phenomena, and downward trends in unemployment and workforce participation. Edited by Martin Eichenbaum and Jonathan A. Parker. Just published by The University of Chicago Press.

Tax Policy and the Economy

The effect of state-level fiscal policies on neighboring states, the welfare consequences of tax-policy changes, and the increase in pass-through businesses are among topics explored by NBER researchers in volume 30 of the Tax Policy and the Economy series. Edited by Jeffrey R. Brown, it is now available from The University of Chicago Press.

New in the NBER Digest

Labor Supply and the Old Age Assistance Program

Using evidence from a major expansion in old-age assistance in the 1930s, NBER researchers explore the effect of such programs on the labor supply of older Americans. Their findings are featured in the June edition of The NBER Digest. Also in The Digest this month are summaries of working papers exploring the Gambler's Fallacy, investigating the origins of ISIS fighters, analyzing the growth rate of U.S. labor productivity, documenting an apparent bias against novelty in scientific research, and calculating the impact of foreign aid on aid recipients.

Download the PDF
or Read online

NBER Videos

National Bureau of Economic Research, 1050 Massachusetts Ave., Cambridge, MA 02138; 617-868-3900; email:

Contact Us