Wondering about the global economic outlook for 2010? Keen to ask about fiscal deterioration in the UK? Or interested to know just how worried we should be about China’s exchange rate regime? Martin Wolf, the FT’s chief economics commentator, is answering readers’ questions. Email your questions to email@example.com with “Question for Martin Wolf” in the subject line and Martin will answer a selection, starting from the week of December 21, here on the Economists’ Forum.