Lacking data on price levels across locations (countries, national regions, etc.) for cross-space comparisons, researchers resort to local consumer price indexes (CPIs) over time to evaluate these levels. This approach unfortunately fails to specify, even generally, the exactness of such...

Income inequality can be measured at different levels of aggregation such as global, continental, international and national levels. Here we consider income inequality at the national level but the focus is on the within country regional inequality. Regional inequality in income distribution in...

During the last 15–20 years, inequality between Russian regions in terms of real personal incomes per capita was decreasing. This paper aims at revealing the “anatomy” of this phenomenon. To do so, time series of every regional income per capita is tested for catching-up with the national...