What is the implication of heteroscedasticity

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1. State at least two reasons why an ordinary least squares regression (also known as linear regression) may be an inappropriate estimator for healthcare expenditures.

2. What is the implication of heteroscedasticity in the error term of an ordinary least squares regression?

3. What does model mis-specification mean? What is the consequence of model mis-specification?

Reference no: EM132789818

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