What consequences if returns to scale are growing?
Returns to scale are growing in many industries and in contemporary economies (the marginal cost of production decreas es with the size of production). This has very important consequences on the functioning of economies: To develop companies in a region, this region must have a large, dynamic domestic market; To grow companies in strategic sectors, they must be protected from competition from larger companies in other regions (China has done this, but the European Union has not); The trend is the appearance of large-scale monopolies with the resulting negative effects (abnormal rise in profit margins, sterilisation of research, etc.) .