THIS chart, based on an analysis by The Economist, ranks 27 economies according to their risk of boiling over. We take each economy’s temperature using six different indicators: the inflation rate, the unemployment rate relative to its ten-year average, GDP growth relative to trend, excess credit (the growth in bank lending minus the growth in nominal GDP), real interest rates, and the forecast change in the current-account balance in 2011.
Countries are first graded according to the risk of overheating suggested by each indicator (2=high risk, 1=moderate, 0=low). For example, if the growth in excess credit is more than 5% it scores 2 points, 0-5% 1 point, and below 0% nil. The scores from each indicator are then summed and turned into an overall index; 100 means that an economy is red-hot on all six measures.
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