marginal productivity of capital การใช้

• I tested him by means of a question about the " Wicksell effect ", i . e . the special aspects of the marginal productivity of capital, which at that time was practically unknown in most countries outside of Scandinavia.
• Both Radelet and Sachs agreed that Krugman's critique is correct on a general point . " To the extent that growth is driven by capital accumulation rather than pure productivity gains, the marginal productivity of capital is likely to decline as the capital stock deepens-- that is, as capital per worker in the Asian economies rises to the level of Western economies, " they said.