CAMBRIDGE – The world's major central banks are currently obsessed with the goal of raising their national inflation rates to their common target of about 2% per year. This is true for the United States, where the annual inflation rate was -0.1% over the past 12 months; for the United Kingdom, where the most recent data show 0.3% price growth; and for the eurozone, where consumer prices fell 0.6%. But is this a real problem?

"There is no easy answer to this problem. But before rushing to impose tariffs, it is important to remember that cap-and-trade policies would not be the only government source of differences in competitiveness. Better roads, ports, and even schools all contribute to a country`s competitiveness."