Economics is the use or allocation of scarce resources to meet men's unlimited needs and wants–Ritchard Lipsey.
Scarcity is the insufficiency or inadequacy of economic resources and as a result we have to decide or choose.
Trade off is the exchange or choosing between alternatives, it is the reality of life that getting one thing world, mean giving up another thing.
Opportunity cost is the value or cost of the next best forgone choice/alternatives.
Positive economics describes and explains various economic phenomena or what is scenario.
Positive economics is based on facts.
Public healthcare increasegovernment expenditures.
Normative economics focuses on the value of economic fairness or what the economy “should be” in other words, normative economics is based on value judgement.
Best healthcare must be free to all citizens.
Microeconomics is a close up view of the economy, studying individual, and business decisions.
Microeconomics is also called buttom up approach that forces on supply and demand and other forces that determine price level.
Macroeconomics is the overall view of the economy looking at the decisions of countries and government.
Macroeconomics takes the Top-down approach that tries to determine the course of economy as a whole.
Macroeconomics focuses on the aggregate supply and demand.