This paper provides systematic evidence on the macroeconomic consequences of war using a new dataset covering 115 conflicts and 145 countries over the past 75 years. We document three main findings.

We use recent advances in natural language processing and large language models to construct novel measures of technology exposure for workers that span almost two centuries. Combining our measures ...

Cellphone bans in schools have become a popular policy in recent years in the United States, yet very little is known about their effects on student outcomes. In this study, we try to fill this gap by ...

Are state-imposed behavioral remedies effective substitutes for federal antitrust enforcement? We evaluate state regulation of hospital mergers under Certificates of Public Advantage (COPAs). Using ...

Using patient-level data from Taiwan's drug-eluting stent (DES) market in the Taipei metropolitan area, we estimate a structural model of hospital behavior, incorporating patient demand and hospitals' ...

In addition to working papers, the NBER disseminates affiliates’ latest findings through a range of free periodicals — the NBER Reporter, the NBER Digest, the Bulletin on Health, and the Bulletin on ...

We examine global trends in productivity and sectoral dominance across countries and industries, asking whether changes are driven by productivity catch-up or shifts in factor endowments. To address ...

Utilizing large-scale surveys of over 27,000 respondents across 13 advanced and emerging market economies conducted between April and May 2024, we examine how knowledge, beliefs, and preferences ...

In addition to working papers, the NBER disseminates affiliates’ latest findings through a range of free periodicals — the NBER Reporter, the NBER Digest, the Bulletin on Health, and the Bulletin on ...

We document that the positive differential on international portfolio returns, one aspect of the U.S. exorbitant privilege, has disappeared in three parts. Part One: U.S. international liabilities ...