Pareto Efficiency Flashcards
Definition
Pareto efficiency is the state in which it is impossible to make someone better off without making someone worse off.
Edgeworth box
all possible allocations of either two goods between two people or two inputs between two production processes.
endowment
an initial allocations of goods
Assumptions about behaviour
Utility maximisation, usual-shaped indifference curves, nonsastiation, no independence
Contract Curve
representing final allocations of goods that could occur as a result of mutually beneficial trading - they are pareto efficient because at the point tangent to the isoquant the persons utility is maximised.
first theorem welfare
tends towards competitive EQUILIBRIUM - weakly pareto optimal when maintains the following, price taking behaviour, complete market and local nonsatiation of preferences.
PPF
if an economy is pareto efficient , individuals are maximising utility.