Income Differences, Productivity and Input-Output Networks
研究了38个国家的投入产出关联和部门生产率如何解释跨国收入差异，发现穷国中高关联部门生产率更高，而富国相反，这些因素解释了8%-10%的收入差异。
We study the importance of input-output (IO) linkages and sectoral productivity (TFP) levels in determining cross-country income differences. Using data on IO tables and sectoral TFP levels for 38 countries, we uncover important differences in the interaction of IO structure with sectoral TFP levels across countries: while highly connected sectors are more productive than the typical sector in poor countries, the opposite is true in rich ones. To assess the quantitative role of linkages and sectoral TFP differences in cross-country income differences, we decompose cross-country variation in real GDP per worker using a multi-sector general equilibrium model. We find that these features explain between 8 and 10 percent of cross-country income variation.