Economics is
the study of how humans make decisions in the face of scarcity.
Scarcity means
that human wants for goods, services and resources exceed what is available.
Division of labor
the way in which different workers divide required tasks to produce a good or service
If you divide and subdivide tasks while producing a good or service it ...
produces a greater quantity of output
Specialization
when workers or firms focus on particular tasks for which they are well suited within the overall production process
As production increases, the average cost of producing
units decline
Microeconomics
focuses on actions or individual's agents within the economy like households, workers, businesses
Macroeconomics
is the branch of economics that focuses on broad issues such as growth, unemployment, inflation, and trade balance
Monetary policy
policy that involves altering the level of interest rates, the availability of credit in the economy and the extent of borrowing
Monetary policy is determined by
Nations Central Bank
Fiscal policy
economic policies that involve government spending and taxes
Fiscal policy is determined by
Nations Legislative Body
A theory is a
simplified representation of how two or more variables interact with each other
In a circular flow diagram, firms provide _____ and households provide _____
wages, salaries
labor
Traditional Economy
typically an agricultural economy where things are done the same as they have always been done
Command Economy
an economy where economic decisions are passed down from government authority and where the government owns the resources
Market Economy
an economy where economic decisions are decentralized private, private individuals own resources, and businesses supply goods and services based on demand
Market
interaction between potential buyers and sellers, combo of supply and demand
Private enterprise
system where private individuals own and operate production
Most economies in the world are
Mixed!
Absolute free market does not exist
True
Underground economies
heavily regulated economies create black markets
Globalization
trend in which buying and selling in markets cross national borders
Exports
goods and services that a nation produces at home and sells abroad
Imports
goods and services that are produced abroad and then sold at home
GDP
measures the size of total production in an economy
Budget Constraint
all consumption combinations of goods that someone can afford, given the prices and all income is spent
Opportunity set
all possible combinations of consumption that someone can afford given the prices of goods and the individuals income
Opportunity cost
indicates what one must give up to obtain what he or she desires
Marginal analysis
examining the benefits and costs of choosing a little more or a little less of a good
Utility
satisfaction usefulness, or value one obtains from consuming goods and services
Law of diminishing marginal utility
first slice of pizza eaten brings more satisfaction than the sixth
Sunk Costs
costs that were incurred in the past and cannot be recovered
Production possibilities frontier (PPF)
Efficient combination of two products that an economy can produce
Law of deminishing returns
the increments of resources to producing a good or service are added, the benfit of them will decline
Productive efficieny
when it is impossible to prduce more of one good withou decreasing another good
Allocative efficiency
when the mix of goods produced represents the mix that society most desires
Comparative advantage
when a country can produce a good at a lower opportunity cost than another country
Invisible Hand
concept that individuals self interested behavior can lead to positive social outcomes
Demand
the amount of a good or servie consumers are willing and able to purchase
Price
what a buyer pays for a unit of the specific good or service
Quantity demanded
the total number of units of a good or service consumers are willing to purchase at a given price
Law of demand (Part 1)
If price goes up, then demand goes down
Law of demand (Part 2)
If price goes down, demand goes up
Demand schedule
tabl that shows range of prices for a certain good or service for quantity demanded at each price
Demand curve
a graph between price and quantity demanded
Quantity is on the what axis?
X
Price is on the what axis?
Y
Supply
amount of some good or service a producer is willing to supply at each price
Quantity supplied
total number of units of a good or service producers are willing to sell at a given price
Law of supply (Part 1)
if price goes up, then quantity supplied goes up
Law of supply (Part 2)
If price goes down, then quantity supplied goes down
Equilibrium
when quantity demanded = quantity supplied
Equilibrium price
price where quantity demanded is equal to quantity supplied
Equilibrium quantity
quantity at which quantity demanded and quantity supplied are equal for a certain price level
Surplus (excess supply)
quantity supplied exceeds quantity demanded
Shortage (excess demand)
quantity demanded exceeds quantity supplied
Ceteris Paribus
"other things being equal"
Income
Affects Demand
Changing tastes or preferences
Affects Demand
Changes in the composition of the population
Affects Demand
Price of substitute or complement changes
Affects Demand
Changes in expectations about future
Affects Demand
Normal Good
product whose demand rises when income rises
Inferior good
a product whose demand falls when income rises, rises
Substitute
a good or service that we can use in place of another good or service
Complements
goods or services used together
Inputs/Factors of production
the combination of labor, materials, and machinery to produce goods
Natural Conditions
Affect Supplies
Input Prices
Affect Supplies
Technology
Affect Supplies
Government Policies
Affect Supplies
Price controls
laws that government enact to regulate prices
Price ceiling keeps price
rising above a certain level, legal max price
Price floor keeps price
from falling below a given level, lowest price
Deadweight loss
loss in social surplus when market produces inefficient quantity