For the past several decades, the percentage of national income in the United States allocated to human capital (employees and self-employed workers) has been approximately

If a perfectly competitive seller is maximizing profit and is making zero economic profit, which of the following will this seller do?

A) go to work in the next-best earning opportunity B) shut down, with a loss equal to total fixed cost C) continue at the current output, making zero economic profit D) increase production in order to make an economic profit E) remain open but decrease production in order to make an economic profit

Who benefits when the exchange rate of Japanese yen per dollar increases?

a. Japanese exporters b. Japanese tourists c. Japanese importers d. American exporters e. Japanese students in the U.S. whose source of income is money sent to them from Japan.