Media economics focuses on economic aspects of making and supplying media content, and it covers activities such as film-making, news production, print and online publishing, video-on-demand streaming services, and television and radio broadcasting. The business of supplying messages and ideas to audiences inevitably involves significant welfare implications. Research that falls within the ambit of media economics stems not only from traditional economics but also from the perspective of critical political economy. The economics of mass media is a lively and diverse area of scholarship which, over a number of years, has developed almost independently from cultural economics. However, several areas of shared interest exist between these two sub-fields, for example, concerning economics of creativity or questions about copyright protection. This chapter gives a flavour of the particular concerns and issues which mark out media economics as a distinctive field, and it offers an introductory overview of the overlap between economics and media regulation.