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The Total World Population Is Forecast to Hit 9 Billion

question 9

Multiple Choice

The total world population is forecast to hit 9 billion by 2050, at which point the United Nations predicts the total population will either stabilize or peak after growing for centuries at an ever-accelerating rate. The main reason for this major shift is the ________.


Definitions:

External Cost

An uncompensated cost that an individual or firm imposes on others; also known as negative externality.

Marginal Costs

The additional financial burden incurred from producing another unit of a product or service.

External Cost

A cost incurred by a third party who did not agree to the action causing the cost.

Marginal Costs

The additional cost of producing one more unit of a product or service.

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