Central banks may try to reverse this course. Ben Bernanke and company at the Fed have committed themselves to near-zero interest rates for the next two years (not exactly a rousing endorsement of America's economic prospects in the near term). Given the sharp slowdown in Germany, the European Central Bank might now feel some pressure to lower interest rates there -- or at least delay the next increase.
But when growth is slowing so dramatically and unemployment is already high, monetary policy can't possibly do it alone.
Without an expansionary fiscal policy, low interest rates have little effect. Companies won't borrow in order to expand and hire more workers unless they have reasonable certainty they'll have customers for what they produce. And consumers won't borrow money to spend on goods and services unless they're reasonably confident they'll have jobs.
Fiscal austerity is the wrong medicine at the wrong time.
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