This document discusses several global companies and their international operations and expansion strategies. It provides examples of Tata acquiring Corus and Jaguar, and discusses McDonald's, Starbucks, and Walmart's presence in international markets. Global companies aim to benefit from economies of scale by operating across borders in areas like R&D, marketing, and finance. They tend to be large in size, have centralized control while operating internationally, and use sophisticated technology to operate in global markets.