The theory of the optimum currency areas—OCA—has been, for forty years, an unavoidable framework regarding the choice of the exchange's mode. Of Keynesian inspiration, it initially supplements the friedmanian plea in favor of the generalized floating exchange rate mode. Improved, then deeply...

[eng] The configuration of the French insurance market has deeply changed in the last twenty years and especialy since the 1984 bank deregulation. Considering the specificities of the insurance industry, this paper tries to put some light on the relations between scale and performance in this...