Culture refers to patterns of behaviour, attitudes and beliefs that are common to a group of people who commonly share these attributes and who use them for their identity.

Unpaid care work refers to the work done for the purpose of caring and looking after others without getting any monetary benefits for the work.

Individual rationality is a model of personal choice behaviour, whoever he or she may be. It sets out from a perspective on life as a decision between action or no action, i.e.