Econ Class Tackles Diminishing Returns

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Mrs. McNamara’s AP Microeconomics is at it again.

This time the fearless 9, dressed for class color day,  took some time to simulate being workers in a greeting card factory to illustrate the concept of diminishing returns to scale. Adding variable inputs (laborers) to a fixed input (a fixed number of card-making supplies), students made Herculean attempts to innovate to get overall production levels high, but realized both visually and graphically that eventually by adding variable inputs to fixed inputs, production levels will begin to decrease. This activity sets up the biggest unit the students will study in the AP Microeconomics course – the theory of firm behavior, which they will begin in earnest on Monday.