Krugman on Population Growth and the Economy

As usual, interesting stuff.

What’s important to realize, then, is that slower population growth indeed could and should be a good thing — but that what passes for sound economic policy is all too likely to turn this potentially good development into a major problem. Why? Because under the current rules of the game, there’s a strong bicycle aspect to our economies: unless they’re moving forward sufficiently rapidly, they tend to fall over.