Frederic Virnich

4 Questions 2 Answers 0 Followers

Questions related from Frederic Virnich

How to interpret regression results if dependent variable is logged and independent variables are standardized?

In my fixed effects panel regression analysis the DV (Triadic Patent Families) enters in logarithmic form. To counteract very small coefficients because of different scales in my IVs and enable...

18 December 2018 3,117 1 View

Can I use robust estimators (vce robust) for fixed effects regression to correct for heteroskedasticity even though there is no serial correlation?

Dear research community, After running several tests (including F-Test, Breusch and Pagan’s (1980) Lagrange Multiplier (LM) Test and Hausman (1978) Test) I came to the conclusion that a fixed...

06 December 2018 8,059 4 View

Do I have to "inform" stata that my dependent variable has a lower bound at zero before running panel regression models?

Dear research community, I am about to run a panel regression for 30 countries and a period of 14 years. My dependent variable is OECD Triadic Patent Families which measures the number of patents...

16 November 2018 985 0 View

What estimation method is appropriate to analyze determinants of innovation activity across countries using OECD triadic patent families as the DV?

Usually, research make use of poisson regression models as the number of patents is characterised as a count variable which in turn is considered to have a non-negative discrete nature and an...

03 November 2018 1,916 1 View