This document discusses how internationalization affects different firms. It focuses on Europe, which accounts for 25.8% of global GDP. Internationalization is measured by exports, imports, and foreign direct investment. Productivity and competitiveness are key factors for firms. Productivity depends on technological progress, investment, labor quality, and innovation. Competitiveness is influenced by factors like costs, subsidies, and productivity. Firms that export more products to more markets tend to perform better. Characteristics of successful exporters include being larger, more profitable, and capital intensive. Distance between countries impacts bilateral trade flows.