Question

In: Economics

The research department of AMS SHINE Co. Ltd estimated that the supply function for their television...

The research department of AMS SHINE Co. Ltd estimated that the supply function for their television sets is given by x r w s Qx  2000  3P  4P  P Where Px is the price of TV sets, Pr represents the price of a computer monitor, and Pw is the price of an input used to make televisions. Suppose TVs are sold for GH¢400 per unit, computer monitors are sold for GH¢100 per unit, and the price of an input is GH¢2000. (a) How many television sets are produced? (b) Drive and sketch the supply function (c) The Producer

Solutions

Expert Solution

The research department of AMS SHINE Co. Ltd estimated that the supply function for their television sets is given by

Supply Function:

Qx = 2000 + 3Px - 4Pr - Pw

Here, the Px, Pr and Pw values are given in the market.

Px = The price of TV sets

or, Px = GH¢ 400

Pr = The price of Computer Monitor

or, Pr = GH¢ 100

Pw = The price of an input

or, Pw = GH¢ 2000

Now, we will use the information to answer the following questions.

(a) From the supply function of Television is

Qx = 2000 + 3Px - 4Pr - Pw

Putting the values of Px, Pr and Pw from above we get,

Qx = 2000 + 3×400 - 4×100 - 2000

or, Qx* = 800

Hence, 800 television sets are produced.

(b) Now, let us put the values of Pr and Pw in the supply function, we get

Qx = 2000 + 3.Px - 4.Pr - Pw

or, Qx = 2000 + 3.Px - 4×10 - 2000

or, Qx = -400 + 3.Px.........(1)

The supply function for television is:

Qx = -400 + 3.Px.

The following diagram shows the supply function.

(c) The producer surplus is the area below the price level (i.e. Pw = 400) and above the supply curve. The producer surplus is labelled as triangle ∆ABC in the above diagram.

Hence, the area of triangle ∆ABC is the producer surplus. Hence,

Producer Surplus = ∆ABC

or, Producer Surplus = (1/2)×(400 - 400/3)×800

or, Producer Surplus = GH¢ 106666.67

Hence, Producer Surplus is GH¢ 106666.67.

Hope the solution is clear to you my friend.


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