Unit 1

Word Meaning
Economics The study of how society allocates scarce recourses to satisfy society's unlimited wants
Scarcity limited resources
Microeconomics focuses on households, firms
Macroeconomics focuses on inflation, unemployment, and economic growth
Market economy allocates resources through the decentralized decisions of firms and households.
Economic rationality make the best decisions for oneself using information
Perfect information everyone knows everything with no uncertainty
Asymmetrical information when someone knows more than someone else
Resource/factor of production/inputs anything that can be used to make something else
Opportunity Costs everything you have to give up to get something = highest forgone alternative + explicit costs
Explicit costs costs you can get a receipt for (tuition)
Implicit cost/forgone alternative costs you can't get a receipt for (missed a job at Hortons)
Marginal changes small, incremental changes
The "invisible hand" We all act in our own self-interest.
We create a demand for goods and services that compels others to supply those goods and services in the most efficient manner.
If the market is left to operate freely, the invisible hand will bring these buyers and sellers together and a price will result where buyers and sellers all benefit.
Short Run (SR) the time period when not everything can change. Firms can't adjust their business plans to any great degree, consumers can't change their buying strategies to any great degree
Long Run (LR) the time period when everything can change
Positive statements statements about what actually is facts (high interest rates reduce the demand for montages)
Normative statements opinions (the banks should raise the interest rate to discourage consumers from taking on mortgages)

Assumes people make rational decisions

Economically rational thinkers make decisions at the margin

Big 4 resources: labour, land, capital and entrepreneurship


Last update: September 21, 2021
Created: September 18, 2021