This volume presents six new papers on environmental and energy economics and policy. James Bushnell and Aaron Smith ...

The Affordable Care Act (ACA) significantly expanded health insurance in the United States, but its impact has varied across time and states. We assess the law’s heterogeneous impacts over the three ...

In addition to working papers, the NBER disseminates affiliates’ latest findings through a range of free periodicals — the ...

The model has multiple rational expectations equilibria; we associate certain Pareto inferior equilibria with liquidity crises. The government can improve welfare by acting as a “market-maker of last ...

Browser data from an approximately representative sample of individual investors offers a detailed account of their search for information, including how much time they spend on stock research, which ...

Treasury markets respond to the news in CBO cost estimates of individual bills about the future funding requirements from pending legislation. Treasury yields increase on days with major ...

The child mental health crisis has been described as the “defining public health crisis of our time.” This article addresses three myths about the crisis: (i) the idea that the crisis is new; (ii) the ...

The U.S. government has funded university research for nearly 80 years, with a significant share of this funding supporting the fixed costs of science through indirect cost recovery (ICR). We explain ...

We study the role played by Chinese state–owned firms during the US–China trade war. Based on measures constructed from Chinese firm–level customs microdata, we show that the presence of state–owned ...

We investigate the effects of sewer access on neighborhood characteristics in developing world cities. Because it is more difficult to move sewage uphill than downhill, otherwise similar neighborhoods ...

Large Language Models (LLMs) have demonstrated remarkable capabilities in text generation, but their performance may be influenced by the datasets on which they are trained, including potentially ...

I hope that users as well as consumers will find Sections that broaden their views. I start with when an economist might want to run an experiment. I then discuss basic lessons when designing ...