… 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 …

… official UN languages – Arabic, Chinese, English, French, Russian and Spanish – as well as Portuguese, German and … official UN languages – Arabic, Chinese, English, French, Russian and Spanish – as well as Portuguese, German and …