Exhibit 16-7

question 34

Essay

Exhibit 16-7.It is believed that the sales volume of one liter Pepsi bottles depends on the price of the bottle and the price of one liter bottle of Coca Cola.The following data has been collected for a certain sales region. Using Excel's regression,the linear model PepsiSales = β₀ + β₁PepsiPrice + β₂ColaPrice + ε and the log-log model ln(PepsiSales)= β₀ + β₁ln(PepsiPrice)+ β₂ln(ColaPrice)+ ε have been estimated as follows: Refer to Exhibit 16.7.For the estimated linear model,when the price of Pepsi is held constant what is the predicted change in the Pepsi sales if the price of Cola increases by 10 cents?

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Definitions:

U.S. Net Exports

The difference between the value of goods and services the United States exports to other countries and the value of goods and services it imports from other countries.

Aggregate Demand And Supply Model

An economic model that explains price levels and the production of goods and services through the relationship between aggregate demand and supply.

Short-Run Phillips Curve

Describes the inverse relationship between the rate of inflation and the unemployment rate over a short period.

Rational Expectations

The theory that people optimally use all the information they have, including information about government policies, when forecasting the future.