Demand
Consumer objectives and decisions:
1) The maximisation of private benefit from consumption
Individuals will seek to attain the highest level of satisfaction available in their consumption of goods and services
2) The maximisation of private benefit from working
Individuals will seek to attain the highest benefit available in the supply of their labour, which might include higher pay or better working conditions
(Rational choice theory makes the assumption that all individuals make logical decisions that will maximise their personal benefit i.e. self-interest.)
Demand is a consumers willingess and ability to purchase a good or service
The factors that may cause a shift in the demand curve:
changes in the prices of substitutes and complementary goods:
changes in real incomes
changes in tastes and fashions
advertising and branding
changes in size and age distribution of the population