Question

In: Economics

Consider a firm facing a downward-sloping demand curve for its product given by: ?(?)=10−? where 0≤?≤10...

Consider a firm facing a downward-sloping demand curve for its product given by: ?(?)=10−?
where 0≤?≤10 denotes the price of the firm’s output. The firm produces its output under a constant marginal cost of ?=1.

a) Write down the firm’s profit-maximization problem assuming the firm’s choice variable is quantity. Find the firm’s profit-maximizing price and quantity.
b) Based on your answers to part (a), find the firm’s equilibrium profits. sketch the firm’s demand, marginal revenue, and marginal cost functions.

Solutions

Expert Solution

A) Profit maximizing probably:

Max profit={p-1)(10-p)

Profit maximizing quantity is where ,

MR=MC

Q=10-p

P=10-q

MR=10-2q

MR= MC

10-2q=1

Q*=9/2=4.5

P*=10-4.5=5.5

B) Equilibrium profit=(p-1)*(10-p)

Profit=(5.5-1)*(10-5.5)=4.5*4.5=20.25


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