Allocative Efficiency:Allocative efficiency occurs when resources are allocated in a way that maximizes social welfare, ensuring that the goods and services produced are those most valued by consumers.
Pareto Efficiency:Pareto efficiency is a state of resource allocation where it is impossible to make one person better off without making at least one other person worse off.
Production Possibilities Frontier (PPF): The production possibilities frontier represents the maximum output combinations of two goods that an economy can produce given its available resources and technology.