Dear STATALIST,
I use the basic gravity model with OLS using STATA 14 for my econometry analysis. But, the OLS result for distance always omitted, i already tried it so many times from change the distance become dependent variable until amend the data for distance itself and the result still omitted. I don't know what is going on with my model since i use the basic model. Can somebody explain to me what is going on with this formula?
Thank you
I use the basic gravity model with OLS using STATA 14 for my econometry analysis. But, the OLS result for distance always omitted, i already tried it so many times from change the distance become dependent variable until amend the data for distance itself and the result still omitted. I don't know what is going on with my model since i use the basic model. Can somebody explain to me what is going on with this formula?
Thank you
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