Studying the standard monopolistic competition model with unspecified utility/cost functions, we find necessary and sufficient conditions on the function elasticities, when an expanding market or trade incur welfare losses. Two numerical examples explain why: either excessive or insufficient...

We study a multi-country trade model with two types of countries (big and small ones). The model generalizes the case of two countries analyzed in [Bykadorov I., Molchanov P., Kokovin S. (2015), “Elusive Pro-competitive Effects and Harm from Gradual Trade Liberalization, “Preprint 295,...

This article describes ways to use original texts in the National Russian Corpus as well as news texts for teaching Russian as a foreign language. Two-year work of a scientific group of Higher School of Economics (Nizhny Novgorod-Moscow), which is called CorpLings is analyzed. Special attention...

Our new approach enriches the general additive monopolistic competition model (AMCM) - with a space of product characteristics: consumers' "ideal varieties". Unlike Hotelling, such partially localized competition involves intersecting zones of service among (continuously distributed) producers....