Perfect Competition Case Study

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Question 1: (a) What market structure is used to benchmark allocatee efficiency and why do we use it? Illustrate and explain using a diagram Ans- Perfect competition is an ideal market structure and can be used as benchmark as it characterized by:- • A large number of Small Firms. • The product sold by each firm in the market is similar. • Whereas Buyers and sellers have no entry and exit barriers . • They also have perfect knowledge of prices and technology. This competition will not observed in real world but still its primary function is to provide a benchmark that can be used to measure the real world market structures. For example Horse betting which is also quite a close approximation of Perfect competition. To illustrate we can take Long run equilibrium where, P= MR=SRMC= SRATC =LRAC As Long as there is no changes in above formula variables, then there will no other reason to change its output level or any other aspect of perfectly competative firm beacause the firm attains the equilibrium. We can well undersatnd with the help of graphical presentation of an Long Run Perfectly competitive curve which is depict below. In the above figure we take Quantity of output(units per hour)on x-axis which ranges from 0-12,whereas on y-axis there is price and cost per unit ( in dollars). In Long run Firm attains equlibrium price at $60. According to MR=MC rule the firm get an equlibrium output at 6 units per hour where a firm earns a normal profit as Marginal revenue is equals to short run average total cost curve. On the other side LRAC (Long Run Average cost) and short run average cost are also equals to marginal revenue. Due to allocative an... ... middle of paper ... ...------------------------------70 units (b) What will be its average cost of production at this output?-------$6 (c) How much (supernormal) profit will it make?------------- $2 x 70=140 (d) How much will the firm produce in order to maximize profits at a price Of $5 per unit? ----------------------------------------------At 50 units (e) How much (supernormal) profit will it make? -------------------0 (f) How much will the firm produce in order to maximize profits at a price Of $4 per unit? -------------------------------------------------40 units (g) What will be its profit position now?----------$ 60 (Loss) i.e- $1.50 x 40 (h) Below what price would the firm shut down in the short run? ------This will be at $3.50 (where P = AVC) (i) Below what price would the firm shut down in the long run? ---------At $5 (where P = AC)

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