Define the term ‘quaternary activities’.

In an economy, there are mainly three sectors, primary, secondary and tertiary. The tertiary sector is further categorized into quaternary and quinary activities. Quaternary activities are defined to be those activities which include the collection, production and circulation of information. Quaternary activitiescentre mainly focus on research and development and maybe seen as an advanced form of services which involve specialized knowledge and technical skills. So simply speaking it can be said that quaternary activities are the information-based or skill-based activities. The services given by tax consultants, statisticians, economists, professors in school and colleges, doctors at a hospital are all the forms of quaternary activities.