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The Fact That Many Americans Want the Convenience of Driving

question 104

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The fact that many Americans want the convenience of driving gas-guzzling trucks and sport utility vehicles-which also contribute disproportionately to pollution and global warming-is an example of


Definitions:

Expected Rate of Return

The anticipated amount of profit or loss an investment generates, expressed as a percentage of the initial investment amount.

Covariance

A measure of the degree to which returns on two risky assets move in tandem. A positive covariance means that asset returns move together. A negative covariance means they vary inversely.

Variance

A measure of the dispersion of a random variable. Equals the expected value of the squared deviation from the mean.

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