9781118041581

FIGURE 5.1

Total Product and

Marginal Product

Part (a) graphs labor’s

total product; part

(b) depicts labor’s

marginal product.

500

400

300

200

100

0 10 20 30 40 50 60 70 80 90 100 110 120 130 140

Total Output

20,000-square-foot plant

10,000-square-foot plant

(a) Labor's Total Product

Number of Workers

5.0

4.0

3.0

2.0

1.0

0

10 20 30 40 50 60 70 80 90 100 110 130 140

Marginal Product

(b) Labor's Marginal Product (10,000-Square-Foot Plant)

Number of Workers

–1.0

–2.0

120

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