Refer to the figure. The optimal level of immigration in this country:

If the Fed is worried about inflation and wants to raise the interest rate, in the short run it can

A) increase the demand for money. B) decrease the demand for money. C) increase the quantity of money. D) decrease the quantity of money. E) directly raise the interest rate without affecting either the demand for money or the supply of money.

In 2014, the price of peanuts was rising, which lead peanut butter sellers and peanut butter buyers to expect the price of peanut butter would rise in the future. Suppose the effect on the sellers was larger than the effect on the buyers

Consequently, in the current market for peanut butter there is a ________ in the price of peanut butter and ________ in the quantity of peanut butter. A) rise; an increase B) rise; a decrease C) fall; a decrease D) fall; an increase