A study model of the wage-price spiral - Prices drag wages along which, in turn, drag prices along: this wage-price spiral has been denounced many times as one of the principal inflationary factors. In order to try to measure its effects, a deliberately simple model has been developed. It is based on observed behavorial relationships in the course of the years 1965 to 1981. The double indexation of wages according to prices and prices according to wages is clearly brought to light. It seems that wages were over-indexed and that a rise in retail prices engendered, in the long run, a slightly higher rise in the wage rate. On the contrary, production prices were probably somewhat under-indexed according to costs. On the other hand, wages proba...