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What is the marginal impact on sales

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Reference no: EM13673307

You have been provided with data for Sales and Advertising. Assume there are no outliers in the data.

a. Estimate this model using regression analysis.

Sales = β0 + β1*advertising + β2*advertising 2

Is there a non-linear relationship between Sales and Advertising? Explain ( Completed on Spreadsheet) Is this correct see attached spreadsheet.

What is the marginal impact of advertising on sales if advertising is increased from $1300 to $1400? What is the marginal impact on sales if advertising is increased from $2500 to $2600? Please comment on any differences.

Estimate this model.

Sales t = β0 + β1*advertising t + β2*advertising t

2 + β3*advertising t-1

Based on your model, is there a lead/lag relationship between Advertising and Sales? Explain.

Reference no: EM13673307

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