摘要: This paper explores the emergence of a world economy since 1950 and its implications for world's labor force. There are four main sets conclusions. First, although integration national economies has been considerable, is still in adolescence. Rapid occurred among industrial economies, but developing between proceeded slowly. Second, international mobility can account little, if any, economic 1950. The that achieved due mainly to increased flow capital across boundaries dramatic increase trade, especially countries. These developments have driven by technological institutional changes reduced transactions costs trade while maintaining or increasing barriers mobility. Third, these patterns associated with sharp decline income inequality not as gap countries increased. Finally, large economies' share force projected next few decades will magnify their incentives integrate more closely themselves economies. World per capita be promoted such integration.