PUBLICATIONS

US births have fallen steadily since 2007 and the total fertility rate is now well below replacement level fertility—the rate at which the population replaces itself from one generation to the next. Our analysis suggests that this trend is unlikely...

Immigration has long been celebrated as an engine of America’s economic growth and cultural vibrancy, even as the changes it brings often cause concern among the populace. An estimated 13.7 percent of those living in the United States today were...

The share of the US population age 65 and older is rising dramatically. In the year 2000, 12 percent of the population was over age 65; by 2050 that share will be 22 percent. Much of that aging has already...

The US economy has been suffering from weak productivity growth, business dynamism, and competition for the past several decades. The loss of a vibrant economy is even more concerning as the economy faces new challenges such as the transition to...

Benjamin Jones (Kellogg School of Management at Northwestern University) argues that the United States is vastly underinvesting in science and innovation, hindering productivity growth. He presents evidence that increased public spending on research and development would lead to improvements in...

David Keith (Harvard) and John Deutch (MIT) discuss mechanisms to manage climate risks, which they call the climate control mechanisms: emissions reduction, carbon dioxide removal (CDR), adaptation, and solar radiation modification (SRM).