1 Introduction -- 2 The Meaning of the First Decade of Soviet Socialism -- 3 The Political Economy of Utopia: Communism in Soviet Russia, 1918–1921 -- 4 The Political Economy of NEP: Market Relations and Interventionism in Soviet Russia, 1921–1928 -- 5 The Political Economy of Development...

What obstacles prevent the most productive technologies from spreading to less developed economies from the world’s technological frontier? In this paper, we seek to shed light on this question by quantifying the geographic and human barriers to the transmission of technologies. We argue that...