【判断题】In the US, when taking a taxi, always remember to check that your driver has a valid ID card which should be displayed and make sure the meter is running.
【单选题】Suppose that whether the meter is located on campus is an important explanatory factor. Why should the variable that depicts this attribute not be included in the model?
A.
Its inclusion will introduce autocorrelation
B.
Its inclusion will introduce multicollinearity
C.
Its inclusion will inflate the standard errors of the estimated coefficients