Input Measurement and Productivity Growth in Japanese and U.S. Manufacturing
分析日美制造业的多要素生产率和劳动生产率增长,发现增加值法不适用,总产出法更合适;两国行业效率差异主要源于资本投资水平差异,而非多要素生产率差异。
This paper analyzes multifactor productivity growth (based on capital, labor, energy, and materials) and labor productivity growth in the Japanese and U.S. manufacturing sectors. We find that the tests of separability required for a value-added approach fail for both the U.S. and Japan, making gross output the correct approach.Additionally, confirming Jorgenson and Nishimizu, we find that the remarkable differences in productive efficiency between Japan and the U.S. — at the two-digit industry level — are largely due to differences in the levels of capital investment and not to differences in multifactor productivity.