When the value of the dollar changes from £0.75 to £0.5, then the British pound has ________ and the U.S. dollar has ________

Even if your college degree is irrelevant to an employer's needs, your high GPA might still get you the job because

A) the firm is not a profit maximizer. B) your GPA sends a signal about your quality as a worker. C) the firm will most likely make an adverse selection. D) the high GPA eliminates the possibility of moral hazard.

Suppose that frozen dinners were once a normal good for John, but now frozen dinners are an inferior good for him. John's demand curve for frozen dinners

A) has become steeper as a result. B) has become flatter as a result. C) has not changed as a result. D) has disappeared as a result.