Market Design is a field of economics that focuses on creating and organizing markets to improve their efficiency and effectiveness. It involves understanding how different market structures work and how to design rules and mechanisms that facilitate better exchanges between buyers and sellers. Key elements of Market Design include matching participants, setting prices, and ensuring fair competition. This discipline is applied in various areas, such as auction theory, labor markets, and public goods allocation, helping to solve real-world problems by optimizing how resources are allocated and transactions are conducted.