Microeconomics 14/9/22

Lecture Notes on Microeconomics 14/9/22 Thinking Like an Economist Economists play 2 roles: Scientists: Try to explain the world Policy Advisors: Try to improve it Economists employ the scientific method Scientific method: observation, theory, more observation In economics, conducting experiments is often impractical Natural experiments are offered by history Assumptions and Models Assumptions simplify the complex world Economists use models (highly simplified representation) to study economic issues Circular flow diagram: Shows how money flows through markets among household and firms Includes 2 actors: Household: Own factors of production, buy and consume Firms: buy/hire factors of production, sell goods and services Factors of production are the resources that the economy uses to produce goods and services. They include: labor, land, capital (buildings and machines used in production) The faster the economic wheel turns, the better (faster turnover) Production Possibilities Frontier...