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as there may be significant differences amongst different nations within Africa, as some as upper middle income countries whereas many are low income countries. Yes there is the possibility/likelihood of endogeneity, reverse causality. My problem is that I have tried to replicated a similar specific...

However dummies for say country regions (eg. northern africa) would work here?

so dummy variables being used here is useless? I was doing this based on advice from a tutor. Perhaps she did not understand my specification.

Hi, I am trying to estimate a simple growth regression to try to find a positive impact of mobile penetration on average growth rates in african countries. I can estimate the OLS however I am trying to include dummy variables for each country (-1 for reference). When I include all variables plus dum...

Hi I'm very new to Eviews. Trying to estimate regression for endogenous growth model. Have 15 countries with 4 dependent variables and dummy variables for 14 countries, plus 3 african regional dummys.

Can anyone give any advice to why I cannot perform the ols?

Thanks