Strikingly high rates of labor productivity growth in China, India, and other emerging economies have prompted concerns that U.S. workers and firms are losing ground to their competitors in world markets. A closer look at the evidence, however, suggests that rapid foreign productivity growth...

In February 2017, Portugal implemented a tax on sugar-sweetened beverages (SSBs), under which producers were to be taxed according to the amount of sugar contained in the drinks they manufactured. We exploit administrative accounting data covering the universe of Portuguese firms between 2012...