Fabio La Rosa

4 Questions 11 Answers 0 Followers

Questions related from Fabio La Rosa

In a regressione model, why my interaction term has high beta and standard error, even though I have not a collinearity problem?

In a ordered logit model I obtain for the interaction term a beta coefficient of about 12 and a standard error of about 7 (t-stat is therefore 1.74). Is this normal? Can I accept and show these...

05 April 2016 6,123 3 View

Should I include mean-centered variables or original not-mean-centered variables, in a regressione model with an interaction term?

After I mean-centered two variables (in order to reduce multicollinearity), should I include, other than interaction term, the two mean-centered variables or the two original ones (i.e. not mean...

26 February 2016 3,093 5 View

Is it normal that the Breusch-Pagan test and the Hausman test suggest to lunch fixed-effect, random-effect and pooled OLS for the same model?

Being more precise: I have four regression models differing each other only for the dependent variable (always a continuous one), whereas independent variable are the same. Breusch-Pagan test and...

26 September 2015 2,517 2 View

Is it possibile to enter an interaction term in a regression model and not to enter also one of the terms which interact each other?

I found only one published article doing so, but econometrics scholars absolutely reject this idea.

04 September 2015 3,717 5 View