2変量の関係がべき関係の
ときの説明
(a) The relationship between the average product size and the number of products of the firm. The log-log plot of h»(K)i vs. K shows power law dependence
h»(K)i » K0.38. (b) The relationship between the mean correlation coefficient of product growth rates and the number of products of a firm. The log-log plot of h½(K)i
vs. K shows power law dependence h½(K)i » K0.38.
