The consumption function is one of the key relationships in economics, where consumption is a function of

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The consumption function is one of the key relationships in economics, where consumption is a function of disposable income. The accompanying table shows a portion of quarterly data for average U.S. annual consumption (Consumption in $) and disposable income (Income in $) for the years 2000 – 2016.


a. Estimate Consumption = β0 + β1Income + ɛ. Plot the residuals against time to determine if there is a possibility of correlated observations. 

b. Discuss the consequences of correlated observations and suggest a possible remedy.

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Business Analytics Communicating With Numbers

ISBN: 9781260785005

1st Edition

Authors: Sanjiv Jaggia, Alison Kelly, Kevin Lertwachara, Leida Chen

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