@ged252
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extrait :
"In the 1970s governments attempted to maximise social welfare, in the
form of low unemployment and inflation, by trying to exploit the
short-run trade-off between the two. They engineered surprise booms
“just once” before promising to revert to a policy of low inflation in
future, especially when motivated by the electoral cycle. The insights
of a number of Nobel laureates showed how these policies were bound to
fail and why they were time inconsistent.[2]
The same incentive to renege remains in the future, and promises to do
otherwise lack credibility. Rational wage and price setters will not
believe in a policy that policymakers will find it optimal to renege on,
making it difficult for policymakers to achieve price stability without
a recession. "
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