N. Gregory Mankiw, Robert M. Beren Professor of Economics at Harvard University, presented the 2025 Martin Feldstein Lecture on "The Fiscal Future," examining the trajectory of US government debt — ...

We present a new model of competition between digital media platforms with targeted advertising. The model adds new insights around how user heterogeneity and overlap, along with user and advertiser ...

The Martin Feldstein Lecture is an annual lecture, presented during the NBER Summer Institute in Cambridge, Massachusetts. The lecture, which was initiated in 2009 by the NBER Board of Directors, ...

Current technological developments in a number of industries, such as the rise of artificial intelligence and innovations ...

We analyze the effect of California's $20 fast food minimum wage, which was enacted in September 2023 and went into effect in April 2024, on employment in the fast food sector. In unadjusted data from ...

During academic year 2024-25, the NBER is providing fellowship support for graduate students studying the economics of aging and health, behavioral macroeconomics, and consumer financial management.

We then document robust evidence consistent with two patenting strategies that may block biosimilar competition: thicketing and evergreening, whereby firms supplement primary patents with a dense web ...

We conducted a large-scale field experiment in Granada, Spain, to assess the motivating effect on blood donation of matching each attempt to donate with a charitable contribution pledge for children ...

We study the effects of state hospital regulations intended to increase breastfeeding by requiring certain care standards during the postpartum hospital stay. Policy adoption increased breastfeeding ...

Does industrial concentration shape the life and death of cities? We identify settlements from historical maps of England and Wales (1790–1820), isolate exogenous variation in their late 19th-century ...

Optimizing state and regional physician labor supply has been an important policy issue in healthcare in the United States. One of the proposed solutions has been the universal licensing recognition ...

Credit scores are a primary screening device for the allocation of credit, housing, and sometimes even employment. In the data, credit scores grow and fan out with age; at the same time, income and ...