IMF Managing Director Christine Lagarde

IMF Managing Director Christine Lagarde

Andrew Harrer/Bloomberg

Finance ministers and central bankers will pore over the outlook this week in Washington at the annual meeting of the International Monetary Fund. The lender will update tomorrow its forecasts for worldwide expansion of 3.1 percent this year and 3.8 percent in 2014 after Managing Director Christine Lagarde said last week that growth “remains subdued.”