True or false We should not include the irrelevant independent variable, which has no effects on...

True or false

We should not include the irrelevant independent variable, which has no effects on the dependent variable, into the regression model. ( )

If the null hypothesis is not rejected, then it means that the null hypothesis is accepted. ( )

A variable that is a proportion or a percent can appear in either original or logarithmic form. ( )

The variables correlated with the independent variable of interest must be included as control variables due to the omitted variable bias problem. ( )

We can include the interactions for dummy variables with explanatory variables that are not dummy variables to allow for difference in slopes. ( )

When the variance of the unobserved error, u, conditional on the explanatory variables, is not constant, the weighted least squares estimation is more efficient than the OLS estimation with heteroskedasticity-robust standard errors. ( )

If the proxy variable is correlated with the regressors of our interest, it will be better to omit the endogenous independent variable rather than using this imperfect proxy variable. ( )

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Expert Solution

Rahul Sunny answered 2 years ago

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