U.S. farm subsidies are a sticking point in negotiating freer international trade agreements

Refer to the figure above. When the real exchange rate is below R*:

A) net exports are negative. B) net exports are positive. C) net exports can be positive or negative depending on the value of R*. D) net exports are zero.

Which of the following is likely to be used as a signal in the job market?

A) The job description B) The degree obtained by the applicant C) The letter of appointment D) An announcement of vacancy