To many Western economists and policymakers the solution is simple: emerging economies should allow more flexibility in their exchange rates. This would permit them to raise interest rates, and a stronger currency would help to curb import prices. But the links between exchange rates and inflation are complicated. Stephen Jen, of Morgan Stanley, argues that revaluation could encourage investors to expect further appreciation, which would attract yet more inflows of hot money and so exacerbate inflation. This is the problem that China now faces.

According to the text:

Item 2: emerging economies should keep strict control of their exchange rates;