Market failure happens when the free market is unable to distribute resources in the best possible way, resulting
Glossary Category: Economics
dynamic efficiency
Dynamic efficiency occurs when an economy improves its performance over a long period, rather than just at a
Pareto optimality
Pareto optimality, also known as Pareto efficiency, is a state where resources are distributed in a way that
allocative efficiency
Allocative efficiency happens when resources are used to produce the mix of goods and services that society values
productive efficiency
Productive efficiency happens when a company or an economy produces goods at the lowest possible cost, using the
equi-marginal principle
The equi-marginal principle explains how a rational consumer with a limited budget chooses to spend their money. To
limitations of marginal utility theory
Limitations of marginal utility theory refer to the weaknesses and unrealistic assumptions within the utility maximisation model, which
indifference curve
An indifference curve is a graph showing different combinations of two goods that provide a consumer with the
limitations of the model of indifference curves
The indifference curve model is a tool used in economics to understand consumer choices. However, it has several
Giffen goods
A Giffen good is a rare type of inferior good where the amount people want to buy increases