A good model should have the property of parsimony, which means that: Select one: The adjusted R" must be as high as possible in the model should be as simple as possible. the estimated parameter values should be consistent with theory. the estimated parameters should have unique values. predictions of the model should be borne out by actual experience.Since consumers do not change their consumption habits readily due to psycho technological, or institutional reasons, will be a problem in a con elect one: Autocorrelation. Heteroscedasticity. Model misspecification. Both autocorrelation and heteroskedasticity. O Multicollinearity