marginal produtivity theory of interest

例句：

1. 1. The marginal productivity of labor is a crucial factor in determining the optimal allocation of resources.
   劳动的边际生产力是决定资源最优配置的关键因素。
2. 2. The marginal productivity of technology is often overlooked, but it plays a vital role in economic growth.
   技术边际生产力往往被忽视，但它在经济增长中起着至关重要的作用。
3. 3. The marginal productivity of education has been shown to have a positive impact on individual earnings and job prospects.
   教育边际生产力已被证明对个人收入和就业前景有积极影响。