Technical superiority can be a source of entry barriers

Suppose the CPI in 1983 is 100 and the CPI this year is 172. These values for the CPI mean that

A) inflation between the two years was 172 percent. B) typically, a good whose price was $100 in 1983 had a price of $172 this year. C) typically, a good whose price was $172 in 1983 had a price of $100 this year. D) typically, a good whose price was $100 in 1983 had a price of $139 this year. E) typically, a good whose price was $100 in 1983 had a price of $58 this year.

If the quantity of capital per worker in the economy increases

A) the amount of money held by workers increases. B) labor productivity increases. C) the stock of human capital necessarily increases. D) the stock of financial assets held by the public increases.