AP Economics – 11/12/18
I. Bellwork
The market for gizmos is perfectly competitive and firms are earning short-run positive profits.
- Draw correctly labeled side-by-side graphs of the market for gizmos and the profit-maximizing output of a typical gizmo producer.
- Identify the market output as Qm and the market price as Pm.
- Identify the firm’s output as Qf and the firm’s price as Pf.
iii. Identify the area that corresponds to positive profit.
- Assume the market for gizmos is a constant cost industry. In the long run, how will the following change?
- The number of gizmo producers in the market.
- The price of gizmos.
II. Objectives:
- Construct and Interpret graphs for perfectly competitive industries and firms demonstrating the long run and short run impact based upon changes in supply and demand
- Differentiate between cost-constant, increasing cost, decreasing cost industry.
III Discussion
- PPT 3.6 Long Run Cost-constant, Increasing cost, and Decreasing cost industry.
- 60.4 graphing practice
- Allocative efficiency = ( Price(marginal benefit)=MC)
- Productive Efficiency = (Price (MR) = Minimum point of ATC) cost minimized
IV. Homework
- Page 612 Check Your Understanding 1-2
- Page 612-613 Tackle the Test 1-6
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