The statement: If everyone trades in the competitive marketplace, all mutually beneficial trades will be completed, and the resulting equilibrium allocation of resources will be economically efficient. is formally known as:
A) the law of supply and demand.
B) the first theorem of supply and demand.
C) the first theorem of welfare economics.
D) the first theorem of efficiency in economics.
Question 2
Use the data in the table below to answer the following questions about a firm.
Units of Units of Total Marginal Output
Input X Input Y Product Product of X Price
0 25 0 10
1 25 2 10
2 25 7 10
3 25 14 10
4 25 20 10
5 25 23 10
6 25 24 10
a. Complete the table by calculating the marginal product of input X.
b. Compute the marginal revenue produce of input X.
c. If the price of input X were 30 per unit, how many units should the firm use per unit of time to maximize profit? Explain why profit is maximized.
competitive inhibition
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