Japan’s Trap

Japan's economic malaise is first and foremost a problem for Japan itself. But it also poses problems for others: for troubled Asian economies desperately in need of a locomotive, for Western advocates of free trade whose job is made more difficult by Japanese trade surpluses. Last and surely least- but not negligibly- Japan poses a problem for economists, because this sort of thing isn't supposed to happen. Like most macroeconomists who sometimes step outside the ivory tower, I believe that actual business cycles aren't always real business cycles, that some (most) recessions happen because of a shortfall in aggregate demand. I and most others have tended to assume that such shortfalls can be cured simply by printing more money. Yet Japan now has near-zero short-term interest rates, and the Bank of Japan has lately been expanding its balance sheet at the rate of about 50 % per annum- and the economy is still slumping. What's going on? There have, of course, been many attempts to explain how Japan has found itself in this depressed and depressing situation, and the government of Japan has been given a lot of free advice on what to do about it. (A useful summary of the discussion may b