… economic activity. It was developed by Simon Kuznets, a Russian-American economist and statistician, as a way to … economic activity. It was developed by Simon Kuznets, a Russian-American economist and statistician, as a way to …

… the level for men is particularly low. For instance, in Russia and other former communist countries, a major reason … the level for men is particularly low. For instance, in Russia and other former communist countries, a major reason …