Acemoglu, Daron; Ventura, Jaume - National Bureau of Economic Research (NBER) - 2001
perspective time-series behavior of the world economy is similar to that of existing endogenous growth models, with the world … growth rate determined by policies, savings and technologies. Because of diminishing returns to capital accumulation at the … country level, the cross-sectional behavior of the world economy is similar to that of existing exogenous growth models: cross …