. Imagine that there is an industry for a particular product where the demand for this product is given by P = 100-X. There are two factors of production, capital K and labor L; the price of each will be $1 throughout. The firms all have identical technology, which is given by a fixed coefficients production function: where Y is the level of output and a is some constant from (0, 1). Each firm has fixed costs of 16. (a) Suppose there are precisely six firms in this industry; they can exit if they are unprofitable, but no firms can enter. What is the long-run equilibrium in this case? (Even though there are only six firms, they all entertain competitive conjectures about their effect on various prices.) (b) Suppose there is free entry into this industry. What is the long-run equilibrium? 2. Suppose one firm in a general equilibrium economy has a technology with free disposal Prove that Walrasian equilibrium prices are nonnegative.
1. Imagine that there is an industry for a particular product where the demand for this product is given by P = 100-X. There are two factors of production, capital K and labor L; the price of each will be $1 throughout. The firms all have identical technology, which is given by a fixed coefficients production function:
where Y is the level of output and a is some constant from (0, 1). Each firm has fixed costs of 16.
(a) Suppose there are precisely six firms in this industry; they can exit if they are unprofitable, but no firms can enter. What is the long-run equilibrium in this case? (Even though there are only six firms, they all entertain competitive conjectures about their effect on various prices.)
(b) Suppose there is free entry into this industry. What is the long-run equilibrium?
2. Suppose one firm in a general equilibrium economy has a technology with free disposal Prove that Walrasian
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