The stock market crash of October 1987 was not followed by the widely-feared recession in the world economy. Most forecasts have been revised upward again, and many are even more favorable than before the crash. This is also the case for Western European countries. However, beyond the very short...

Ignoring for a moment the debate on whether balanced budget rules are a sensible idea from a macroeconomic point of view, there remains a major problem with tying one’s fi scal policy to econometric estimates of potential variables: their notorious unreliability. With every one of its biannual...