Exhibit 15-1

question 38

Multiple Choice

Exhibit 15-1.An marketing analyst wants to examine the relationship between sales (in $1,000s) and advertising (in $100s) for firms in the food and beverage industry and so collects monthly data for 25 firms.He estimates the model .The following table shows a portion of the regression results. Refer to Exhibit 15-1.When testing whether the slope coefficient differs from 3,the value of the test statistic is:

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Definitions:

Substitution Effect

The change in consumption that results when a price change moves the consumer along a given indifference curve to a point with a new marginal rate of substitution.

Income Effect

The change in consumption that results when a price change moves the consumer to a higher or lower indifference curve

Aggregate Demand

Aggregate demand represents the total demand for goods and services within an economy at a given overall price level and in a given time period.

Future Generations

Individuals or populations that will exist in the future, beyond the current members of society, whose interests are considered in long-term policy making.