A possible solution to the network externality problem is the government limiting the size of networks

Which of the following statements is correct?

a. Human capital per worker is a determinant of productivity. b. A nation cannot be highly productive in producing goods and services without abundant quantities of natural resources. c. Human capital and technological knowledge are the same thing. d. All technological knowledge is proprietary.

A theory is a perfect description of reality

Indicate whether the statement is true or false