The monetary policy chiefs of the United States, euro zone, China, Japan and Britain will share a public platform in Paris, with their notable policy differences and worries about resurgent inflation of key interest to financial markets.

Emerging powerhouses China and India have already raised interest rates to combat inflation, and pressure is mounting on the Bank of England to follow suit, with UK inflation double its 2 percent target.

The European Central Bank is not expected to tighten policy until late in the year at the earliest while the Federal Reserve continues to print money to pump prime its economy via a US$600 billion bond purchase program.

In a paper prepared for the two-day Group of 20 meeting starting on Friday, the International Monetary Fund said the United States' policy of quantitative easing could cause a destabilizing flood of capital, though it conceded this had not happened so far.