The Quaternary Economic Sector is the segment of the economy focused on knowledge-based activities involving services such as research and development, financial services, education, and information technology. This sector emphasizes intellectual services and relies heavily on specialized skills, driving innovation and technological advancement within the economy.
The growth of the quaternary sector often leads to urbanization and the development of 'smart cities' equipped with high-tech infrastructure. It can attract a skilled workforce, influencing migration patterns and contributing significantly to economic diversification and resilience in developed regions.