Path dependent development. Average network properties (〈kp,0〉, 〈kp,1〉; measured in 1992) of the new exports developed by a country between 1992 and 2000 as a function of the diversification of a country kc,0 and the average ubiquity of its products kc,1 measured in 1992. (A) kc,0 vs. 〈kp,0〉. (B) kc,1 vs. 〈kp,0〉. (C) kc,0 vs. 〈kp,1〉. (D) kc,1 vs. 〈kp,1〉.