The Challenge for Economics

In the NYT, Greg Mankiw writes on how the credit crisis will affect economics. His answer: Not much. The basics of economics are still in place although some topics will deserve more attention. Here’s a sample:

THE LIMITS OF MONETARY POLICY
The textbook answer to recessions is simple: When the economy suffers from high unemployment and reduced capacity utilization, the central bank can cut interest rates and stimulate the demand for goods and services. When businesses see higher demand, they hire more workers to meet it.
Only rarely in the past did students ask what would happen if the central bank cut interest rates all the way to zero and it still wasn’t enough to get the economy going again. That is no surprise; after all, interest rates near zero weren’t something that they, or even their parents, had ever experienced. But now, with the Federal Reserve’s target interest rate at zero to 0.25 percent, that question is much more pressing.
The Fed is acting with the conviction that it has other tools to put the economy back on track. These include buying a much broader range of financial assets than it typically includes in its portfolio. Students will need to know about these other tools of monetary policy — and will also need to know that economists are far from certain how well these tools work.

Posted by on May 25th, 2009 at 9:49 am


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