Development economics is a branch of economics that focuses on the economic and social issues related to developing countries. It examines the factors that contribute to economic growth and development in these countries, as well as the challenges and obstacles they face in achieving sustainable development. Development economists study a wide range of topics, including poverty, inequality, education, health, agriculture, infrastructure, and the impact of policies and interventions on economic development. They also analyze the role of international institutions, foreign aid, trade, and investment in promoting development. Overall, the goal of development economics is to understand the dynamics of economic development in developing countries and to identify effective strategies for promoting growth and reducing poverty.