In France, Business Climate measures industrial entrepreneurs’ sentiment about current business situation and expectation about business conditions. The survey sample comprises about 4,000 enterprises in the manufacturing and mining industries. The indicator is calculated using factor analysis technique. The index is then calculated in a way to measure the current sentiment in relation to the historic index values of the period 1993-2011. A value over 110 indicates unusually high optimism and a value under 90 indicates unusually high pessimism. The value 100 indicates neutrality.