Based on a theoretical framework that derives information flows associated to economic and social transactions, intersectoral, point-to-point telecommunication flow functions are specified and estimated, using a very large data base on intra-LATA toll calls and a simultaneous equation estimation procedure that accounts for the endogeneity of reverse call flows. The effects of prices, distances,...

in the light of the 2008 world development report, this paper revisits the impact of agriculture on overall economic growth, in the case of an oil producing country, using indices of intersectoral linkages. to this end, four input-output tables of iran’s economy are utilized. the results support the importance of the agricultural sector in stimulating the economic growth of iran, but also s...