Béla Balassa, the most significant theorist of the economic integration, dares to argue that this is just one for all multi-country areas, e.g. despite economic growth or development that might be different for different countries. Then, the diversity in terms of integration would be the same...

Although the number of econometric analyses related to the renewable energy sector in Azerbaijan is increasing, studies on nonparametric dimensionality reduction are rather sparse. Principal component analysis (PCA) and multiple correspondence analysis (MCA) were chosen to fill this apparent...