Competitive Markets for Goods and Services
Read this chapter for an explanation of the model of perfect competition, which is crucial to your understanding of the more complicated and realistic models that will be studied next. Take a moment to read through the stated learning outcomes for this chapter of the text, which you can find at the beginning of each section. These outcomes should be your goals as you read through the chapter. Attempt the "Try It" problems at the end of each section.
3. Output Determination in the Short Run
3.2. Answer to Try It! Problem
At a price of $81, Acme's marginal revenue curve is a horizontal line at $81. The firm produces the output at which marginal cost equals marginal revenue; the curves intersect at a quantity of 9 jackets per day. Acme’s average total cost at this level of output equals $67, for an economic profit per jacket of $14. Acme’s economic profit per day equals about $126.
