Krugman points out that some depreciation in the value of the dollar is welcome because it would make US exports more competitive and reduce our trade deficit. He says China's policy of keeping the yuan pegged to the dollar actually devalues the Chinese currency and makes it possible for China to siphon off growth from other countries. So what should America do. By putting pressure on China to revalue the yuan upward would America be risking China responding by selling some f its $2.1 trillion in dollar assets. This would not be such abad thing if the Chinese sold some of their dollar assets says Krugman, as lowering the value of the dollar at this time is not such abad thing. Malpass and Alan Meltzer of Carnegie Mellon, point out the importance of maintaining the value of the dollar in a separate piece. There the idea is not to have sharp fall in the value of the dollar that could economic disruption because of loss of confidence in the currency as opposed to a gradual decline.