When real interest rates fall in the United States relative to interest rates in Japan, the yen appreciates and the dollar depreciates

Leaving a handsome tip for the waiter in full view of your dinner date is a

a. Screening mechanism b. Signaling mechanism c. Way to waste money d. None of the above

A decrease in the wage rate is represented as an upward movement along the labor supply curve

a. True b. False Indicate whether the statement is true or false