micro 急

jiaquan0415

Part A:Knowledge of Costs   

Sketchthe graphs for the following costs curves:

1.      Shortrun TFC, TVC and TC  

2.      Shortrun AFC, AVC and ATC                                             

(5marks)

2.Explainthe behavior of each type of costs as output rises and provide reasons fortheir behavior.

(10marks)

Part B: Whydoes market fail?

Marketworks based on demand and supply forces. Sometimes the equilibrium point in themarket may not be the socially desirable point. One of the reasons that causethis failure is externalities.

1.    1.  Brieflyexplain the FOUR types of externalities.

(8marks)

2.      2.Usingthe concepts of externalities and suitable diagrams, explain why market failureoccurs in the market for girls’ education.

(7marks)

请问有人会吗？（帮别人问的~）