developments in Russian and Ukraine over the last decade, as well as discusses common features of these countries. The Chapter 3 … establishes theoretical models for different aspects of labor force mobility, discusses the availability of data on Russia and … Ukraine to test these models, and provides a statistical analysis of the data. The Chapter 4 discusses results of the …

, employment and shadow employment in Russia and Ukraine. The first section presents a summary of the economic and institutional …

Russia's invasion of Ukraine has led to a sudden reassessment of political and economic relations with Russia … firm level. The firm-level data reveals that Russia and Ukraine have become less important as trading partners at both the … the group of firms trading with Russia and Ukraine, we see a clear heterogeneity, which in turn is reflected in individual …

Europe's vulnerability to gas supply cuts originating in Russia. In particular, the East-West divide within the EU in terms … of competition in the gas markets of the EU member states and their vulnerability to supply cuts from Russia's monopoly …

supplies through the Ukraine Corridor, with a particular focus on Bulgaria and on EU policy. The second paper provides an … analysis of the current state of gas relations between Ukraine and the Russian Federation, with a focus on the Ukrainian …