The fundamental goal of competition law is to support productivity and innovativeness; in fact, the short-term effect of enforcement actions is often a reduction in product prices. This book reports the findings of consumer market studies into a range of goods and services in developing countries in Africa, Asia and Latin America. It finds a pervasive lack of competition in those markets, which not only reduces the standard of living of consumers, including poor and vulnerable groups, but also softens the incentives on firms to improve the efficiency of their operations and the quality of their products