Cheysson, Jean-Jacques Emile (1836–1910)
French engineer, economist and statistician, Cheysson was born in Nîmes and died in the Swiss Alps. Schooled at the Ecole Polytechnique and the Ecole des Ponts et Chaussées, he served with distinction in the Corps of Civil Engineers, demonstrating his ingenuity during the German siege of Paris (1870) by converting train stations to flour mills (using locomotive engines as the power source), thereby increasing bread production. Only when wheat supplies were eventually exhausted did the city finally capitulate. After the armistice, Cheysson became factory director at Creusot, the huge industrial complex that was bombed during World War II, where he immersed himself in the microeconomics of the firm and began to develop an analytical programme which anticipated the main lines of what we now call econometrics.
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