21 May 2018

Immigrant Entrepreneurship in America: Evidence
from the Survey of Business Owners in 2007 and 2012

First-generation immigrants create about 25 percent of new firms in the United States, and over 40 percent in some states, Sari Pekkala Kerr and William R. Kerr find.

18 May 2018

Adoption and Learning Across Hospitals:
The Case of a Revenue-Generating Practice

After 2008, hospitals could raise their Medicare revenue by over 2 percent by specifying a patient’s type of heart failure. Many hospitals have not taken advantage of this opportunity. Adam Sacarny finds this mostly reflects differences in hospitals’ ability to extract documentation from physicians.

17 May 2018

How Reformulation of OxyContin Ignited Heroin Epidemic

Reformulation of the oft-abused prescription opioid OxyContin in 2010 led many consumers of the drug to turn to heroin as an inexpensive alternative, research by William N. Evans, Ethan Lieber, and Patrick Power shows. The reformulation did not reduce combined heroin and opioid mortality.

16 May 2018

The Transformation of Manufacturing
and the Decline in U.S. Employment

A steep decline in manufacturing employment was a substantial contributor to the decline in hours worked among prime-aged Americans during the 2000s, particularly for less educated workers, according to new research by Kerwin Kofi Charles, Erik Hurst, and Mariel Schwartz.

15 May 2018

Taxpayer Responses to EITC Correspondence Audits

In the years following an Internal Revenue Service audit, audited individuals are less likely to claim Earned Income Tax Credit benefits or to file returns, according to John Guyton, Kara Leibel, Dayanand S. Manoli, Ankur Patel, Mark Payne, and Brenda Schafer.

14 May 2018

Corporate Philanthropy as a Tool for Political Influence

Marianne Bertrand, Matilde Bombardini, Raymond Fisman, and Francesco Trebbi find that philanthropic foundations associated with many large U.S. corporations disproportionately support charitable organizations in congressional districts whose representatives sit on committees with jurisdiction related to the firm.

11 May 2018

The Impact of Artificial Intelligence on Innovation

Artificial intelligence may reshape the nature of the innovation process and the organization of R&D by taking advantage of the interplay between passively generated large datasets and enhanced prediction algorithms, according to research by Iain M. Cockburn, Rebecca Henderson, and Scott Stern.

10 May 2018

Joint Ventures and Technology Transfer in China

Analyzing administrative data on all international joint ventures in China from 1998 to 2007, Kun Jiang, Wolfgang Keller, Larry D. Qiu, and William Ridley find substantial technology transfer to the Chinese joint venture partner, as well as positive externalities for other Chinese firms in the same industry.

9 May 2018

Dancing with the Stars: Innovation through Interaction

In a study of European inventors, Ufuk Akcigit, Santiago Caicedo, Ernest Miguelez, Stefanie Stantcheva, and Valerio Sterzi find that most patents are the result of collaborative work. Researchers who interact with better inventors at an early stage in their career are more productive later in their career.

8 May 2018

Saving Lives by Tying Hands:
Unexpected Effects of Constraining Health Care Providers

An English policy that imposed strong incentives on doctors to treat emergency department patients within four hours reduced affected patients’ wait times by 19 minutes, but distorted a number of medical decisions, an analysis by Jonathan Gruber, Thomas P. Hoe, and George Stoye shows.
NBER Videos

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

Contact Us