Many economic activities in the Briançon
area are considered: irrigation, coal mines, textile workshops and
factories, medical establishements… The development and recession of these
innovations versus the time are given by a simple mathematical model.
Agreement with many 55 years Kondratiev cycles is generally perfect and the
historical framework is discussed. Influence of the famous medieval
community, so called " Grand Escarton ", is underlined to analyse
different aspects of these insdustrial activities.
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