PORTFOLIO.HU | Blanchard: Eurozone integration needs to go forward or go back, but it c... - 0 views
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There is no question that, when it was introduced, inflation targeting represented progress. But we have learnt that it has serious limitations. You can have an economy in which inflation is stable and low, but behind the scenes the composition of the output is wrong, and the financial system accumulates risks. It’s very clear that, to deal with all these issues, just using the policy rate is not enough.
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The way to think about monetary policy in the future is that the central bank has in effect two sets of tools. One is a traditional one, the policy interest rate. The other is the set of macro prudential tools, from loan to value ratios, to cyclical capital ratios, etc. If there is a housing boom, you do not want to kill it through an increase in the policy rate which would affect the whole economy. You want to use measures that will limit mortgage lending to households.
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I think that it has either to go forward or to go back, but it cannot stay where it is. I think nobody really wants to go back, so it has to go forward.
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I suspect that, in order to limit country specific shocks, euro members may have to actively use macro prudential tools such as rules on the amount of liquidity that banks should hold, or upper limit to loans to value ratios, much more so that they have in the past.
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If the U.S. and a number of other advanced countries are going to decrease their current account deficits, then some countries will have to decrease their current account surpluses. And for this to happen, there has to be, among other changes, an adjustment of the exchange rates. Put more bluntly, most emerging markets have to accept an appreciation.