The Impact of Developing Higher Education on Economic Growth

requirement:
Check the model analysis and add 1500 words.Fixed effects, random effects, mixed effects.The unit root in data is half done, and there is no analysis. Check the accuracy of the analysis, f detection and lm need to add more analysis.You can add some unit root and dynamic panel analysis.What is marked in red and yellow is the conclusion I haven’t reached, so let’s see if he can make this result. The figure is from other documents, so it can’t be deleted.