All explanations for the upward slope of the short-run aggregate supply curve suppose that the quantity of output supplied increases when the actual price level exceeds the expected price level

For this part, you are allowed 30 minutes to write A Notice of Exchange. Suppose you are Li Ming. You intend to improve your English with the help of a foreign friend. You plan to look for a foreigner who intends to learn Chinese so that you can exchange lessons. You should write at least 120 words following the outline given below in Chinese:

1. 简单介绍自己并说明该启事的目的

2．给出人选的条件

3．提供你的联系方式

A Notice of Exchange

Suppose that the money supply and labor productivity are constant. Then a rise in money wages would eventually lead to______.

A．an increase in the rate of inflation because firms will pass on their increased costs to the consumer by marking up prices

B．an increase in the rate of inflation because the wages received will increase aggregate demand

C．an increase in the rate of unemployment

D．all of the above

Suppose that you expect the price of the underlying asset to rise rapidly in the near future. Then you should______.

A．buy a futures contract on the underlying asset

B．sell a futures contract on the underlying asset

C．buy a call option on the underlying asset

D．both B and C could be profitable

Suppose your younger sister is going to the United States for further education. Write an affidavit of support for her to 1) state that you will financially support her, and 2) give the evidence of your financial resources. You should write about 100 words. Do not use your own name. Use "Li Ming" instead. Do not write your address.

Suppose the domestic supply （） for skateboards in the United States are given by the following set of equations: QS = –60 + 3P QD = 390 – 2P If the United States can import skateboards from the rest of the world at a per unit price of $75, what will be the total demand for skateboards in the United States?

A．165

B．240

C．285

D．245

Suppose that the price of a television set is $100 in the U.S. and 8 000 yen in Japan. If the current exchange rate is 100 yen to the dollar, then purchasing power parity theory would predict that in the long run______.

A．Japan will begin to import television sets from the U.S.

B．the exchange value of the yen will depreciate

C．the exchange value of the yen will appreciate

D．the exchange value of the dollar will appreciate

Question 4

Suppose you are in charge of a toll bridge that is essentially cost free. The demand for bridge crossings Q is given by P=12-2Q.

(a)Draw the demand curve for bridge crossings.

(b)How many people would cross the bridge if there were no toll?

(c)What is the loss of consumer surplus associated with the charge of a bridge toll of ＄6?

Suppose you are the president of the Students Union. Write a notice about recruiting new members for the Union. The notice should 1)specify the qualifications, and 2)tell the arrangement of interview. You should write about 100 words on the ANSWER SHEET. Do not use your own name. Use "The Students Union"instead. Do not write your address.(10 points)

Suppose money supply and the general price level remain the same, and money demand is the function of income and interest rate, an increase in incomes will ______.

A．increase both money demand and interest rate.

B．increase money demand but lower interest rate.

C．decrease money demand but increase interest rate.

D．decrease money demand and interest rate.

Write a note of about 50 - 60 words based on the following situation; Suppose your friend Helen has won a prize in a singing contest. Write her a note to congratulate her. Do not sign your own name, using "Zhang Wei" instead. Marks will be awarded for content, organization, language and appropriateness.