EBK MICROECONOMIC THEORY: BASIC PRINCIP
EBK MICROECONOMIC THEORY: BASIC PRINCIP
12th Edition
ISBN: 8220103612135
Author: Snyder
Publisher: YUZU
Question
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Chapter 12, Problem 12.4P

a)

To determine

To find:Industry’s long-run supply schedule

b)

To determine

Long-run equilibrium price, total industry output and output of each firm.

c)

To determine

Short-run marginal and average cost function.

d)

To determine

Short-run supply function for each firm and industry’s short-run supply function.

e)

To determine

Equilibrium price, total industry output and profit

f)

To determine

Short-run equilibrium price, total industry output and output of each firm.

g)

To determine

New long-run equilibrium for the industry.

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Please answer questions D-H, I have already answered A , B,C but it may help you to still solve them yourself. Thank you!
2. A firm’s production function is given by:Q = 10KLThe unit capital and labour costs are 2 and 1 pounds respectively. The firm is contracted to produce2000 units.(a) Write out the optimisation problem of the firm. (b) Express this problem using a Lagrangian function. (c) Find values of K and L which fulfil the contract with minimal cost to the firm. (d) Calculate the total cost to the firm.
3. Consider the following estimated regression equation, estimated using a sample of firms, where RDis total firm spending on research and development in USD ($), Revenue is total firm revenuein USD ($), and W ages is the firms’ total spending on wages in USD ($) (standard errors inparentheses):RDd = 1000(600)+ 0.5(0.1)Revenue + 1.5(0.5)W ages,(a) Interpret the coefficients on each of the explanatory variables. (b) Which of the three coefficients are statistically significant at the 5% level of significance? Howdo you know? A researcher runs a two-sided statistical test of the null hypothesis that both the coefficients onthe explanatory variables above are jointly equal to 0.25 (mathematically, that β1 = β2 = 0.25),and reports a p-value of 0.045.(c) What does this p-value mean for the outcome of the test? (d) What would an appropriate two-sided alternative hypothesis look like?

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EBK MICROECONOMIC THEORY: BASIC PRINCIP

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