Joel Mokyr identified prerequisites for sustained growth through technological progress, while Philippe Aghion and Peter ...

Markets work best when many companies vie for customers’ favour. They work badly when a few firms dominate, carving up sales between them. Economists therefore need a measure of whether markets are ...

Mokyr is from Northwestern University, Aghion from the College de France and the London School of Economics, and Howitt from ...

NPR's Scott Simon talks to Greg Ip, The Wall Street Journal's chief economics commentator, about the jobs report, tariffs facing legal challenges, and U.S. government investment in private companies.