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9/15
58'[180]Greenspan is going to retired from the position of chairman in FED. He has been awarded with a great many of honors.
This article is talking about whether he deserves those honors.
In the beginning of his tenure, US economy faced recession. Later, on the surface, US economy has improved under his management.
But his performance is not so impressive,and it is foreign central banks that smooths the economy cycle.
2'24'' [415]In fact , compared with other OECD countries, US has a greater gap between the potential output and the actual one.
Some people believe that Greenspan's monetary policy helped to improve the economy of US.
However, the price for those performances(low rate of unemployment etc.) is the long-term depression, such as current-account deficit, stock market and housing bubbles etc.
The monetary policy is too aggressive.
2'16''[330]Mr. Greenspan did not restrain the assets bubble; he let it burst and then cut the interest rate to offset the damage it caused. The responsibility of central bank should be to ensure that the foundation of economy is steady.
There are three arguments for why central banks should ignore asset prices other than their impact on inflation.
2'14''[307]The article discusses the counter-arguments to the above three arguments provided by Greenspan and his colleagues.
The job of central bank does not limit to controlling inflation; it should maintain a stable economy. In some circumstances, even the rate of inflation is low, the economy could be bad.
Greenspan's definition of inflation is too narrow.
The current-assets bubble could cause severe consequences.
It is not impossible to identify bubbles. There are many signs can be used to do so. Moreover, it is not a necessity for central banks to identify bubble before act.
2'02''[377]The third claim is that even the bubble is identified, central bank cannot do too much to control it, because interest rate is a blunt tool. But the point is we do not need to target a certain level of assets price.
Raising the interest rate by a little bit more than inflation would helps.
2'06''[379]Many foreign central banks have exactly raising the interest rate to restrain the price of current-assets. Even a little increase will solve the problem.
Central banks should not ignore the current-assets boom , even though the inflation is low. They need to employ tighten policy to restrain the boom before it is too late.
7'48'' [1153]
Greenspan's policy encourages the unrealistic expectation of investors on profits, leading to a higher price of stock share.
One flaw in G's policy is its asymmetry. The interest rate is always be cut but never be boost. It causes bigger risks, making those bubbles become even bigger.
G's policy is pragmatist but not purist. The policy is overly loosening. His public pronouncement on assets price has changed subtly. The approach to solve this problem
is a tightening monetary policy.
Housing bubble is more severe than stock bubble.It will lead to financial instability. Someone introduced a formal inflation target that might reduce FED's room to respond to Assets Price. |
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