Uncertainity Asymmetric information 1 Budget contraint 1 Certainity 1 Equilibrium 1 Information technology 1 Market, Budget constraint, Utility, Choice demand, Slutsky equation, buying selling, Asset markets, Risky assets, consumers surplus, market demand, Equilibrium,Auctions 1 Self-actualization (Psychology) 1 Slutsky equation 1 behavioural economics 1 consumers surplus 1 oligopoly 1 public goods 1