macro quiz 1 Flashcards
what is macroeconomics
Macroeconomics studies the economy as a whole, including national income and economic growth
what is microeconomics
microeconomics focuses on individual consumers and firms.
How do economic models help in understanding economic behavior?
They simplify complex economic activities, allowing economists to predict and analyze outcomes.
Define opportunity cost
the value of the next best alternative that is forgone when making a decision
How does specialization improve efficiency in an economy?
It allows individuals and businesses to focus on tasks they are best at, increasing productivity and trade benefits.
What does the Production Possibilities Frontier (PPF) illustrate?
It shows the trade-offs between two goods and the efficient use of resources.
What are the key phases of a business cycle?
Expansion, peak, contraction, and trough.
what is nominal data
Nominal data is measured in current prices
what is real data
real data is adjusted for inflation.
How do economists use data to develop theories and models?
They analyze historical trends and empirical evidence to formulate predictive models.
Why is it important to distinguish between correlation and causation?
Correlation shows a relationship between two variables, but causation proves one variable directly affects the other.
What are the ethical considerations in economic decision-making?
They include fairness, equity, and unintended consequences of policies.
Define economic rationality
Economic rationality assumes individuals make decisions to maximize utility.
What factors influence demand in a market?
Income, preferences, substitutes/complements, expectations, number of buyers.
What factors influence supply in a market?
Production costs, technology, expectations, number of sellers.