distribution. The theory suggests that in a free market competition between products is ultimately the origin of the uneven income …

diffusion, even when the price is constant. In the latter case the mutual competition between the brands leads with time to a … Gibrat's rule of proportionate growth is a direct consequence of the competition between the brands. The model allows a … derivation of the lognormal size distribution of product sales and the logistic replacement of durables in competition. A …

Presented is an evolutionary model of consumer non-durable markets, which is an extension of a previously published … difference to the Walrasian picture in standard microeconomics. The reason for this statement is that competition between …, demand increases or is equal to supply, competition breaks down and the price exhibits a jump. When this supply shortage is …