Short Run vs. Long Run
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Total Product (TP)
Example Production Schedule
Marginal Product (MP)
Average Product (AP)
Law of Diminishing Marginal Returns
TP rises at an increasing rate, then at a decreasing rate, then falls when MP becomes negative
MP rises then falls; MP crosses AP at AP's maximum
Three Stages of Production
Why Diminishing Returns Matters
AP Exam Tips
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Common Mistakes
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Unit 3 topics
Unit 3 overview3.1The Production Function3.2Short-Run Production Costs3.3Long-Run Production Costs3.4Types of Profit3.5Profit Maximization3.6Firms' Short-Run Decisions to Produce and Long-Run Decisions to Enter or Exit3.7Perfect Competition3.8Long-Run Equilibrium and Efficiency in Perfect Competition