Unit 2: Elasticity, Consumer Choice, Costs

Lesson 7a: Economic Profit and the Production Function

Something Interesting - Why are we studying this?

 

Assume your GPA is 3.0, a "B" average. Let's call the GPA that you earn this semester your MARGINAL grade point (MGP; Remember "marginal" means "extra".)

What happens to your 3.0 GPA if you get straight C's this semester? (What happens to your grade point AVERAGE, 3.0 if your MARGINAL grade point, 2.0, is lower?)

What happens to your 3.0 GPA if you get straight A's (4.0) this semester? (What happens to your grade point AVERAGE if your MARGINAL grade point is higher?)

What happens to the AVERAGE Product (AP) if the MARGINAL Product (MP) is above it? ANSWER: if MP is greater than AP then AP will rise.

What happens to the AVERAGE Product (AP) if the Marginal Product (MP) is below it? ANSWER: if MP is less than AP then AP will fall.

Marginal Product curve crosses the Average Product curve where?

For all graphs: DEFINE, DRAW, DESCRIBE the shape.

 

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Lesson 7a