Micro Review Flashcards
Demand
Demand is the quantity of a good or service that consumers are willing and able to purchase at a given price in a given time period
Market Demand
Market demand is the total quantity demanded by all consumers which can be achieved by adding all of the individual demand at the same/other prices
Law of Diminishing Marginal Utility
The law of diminishing marginal utility refers to the decrease in additional satisfaction that consumer gets from consuming additional units of a good per period. Thus individuals are willing to pay less to buy more units of a good per period of time
Normal Goods
A good where the demand for it increases as income increases
Inferior Goods
Lower quality goods for which higher quality substitutes exist, if income rises demand for the lower quality good decreases
Supply
Supply is the quantity of a good or service that producers are both willing or able to sell at a given price in a given time period.
Market Supply
Market supply is the sum of the all the individual producers supply at a given price in a given period of time
Factors of Production and its costs
Land - Rent
Labour - Wages
Capital - Interest
Enterprise - Profits
Market equilibrium
Occurs at the price where the quantity of a product demanded is equal to the quantity supplied. This is the market clearing price. Since there is no excess demand or excess supply
Consumer Surplus
The difference between how much a consumer is at most willing to pay for a good and how much they actually pay
Producer surplus
The benefit enjoyed by producers by receiving a price that is higher than the price they were willing to receive
Allocative efficiency
achieved when just the right amount of goods and services are produced from society’s point of view so that scarce resources are allocated in the best possible way. MSB = MSC
Rational Consumer Choice
occurs when consumers make choices based on the following assumptions : they have consistent tastes and preferences, they have perfect information and they arrange their purchases so as to maximise their utility
Utility Maximization
The goal of the rational consumer to maximise utility while satisfying the budget constraint
Bias - Rules of Thumb
Decision Making short cuts which enables individuals to make quick decisions
Bias - Anchoring
Takes place when people rely on a piece of info that is not necessarily relevant as a reference point when making a decision
Bias - Framing
refers to how options and opportunities are presented to people, which can significantly influence their choices .
Bias - Availability
relates info that is most recently available and on which people place most importance
Elasticity
a measure of the responsiveness of an economic variable to a change in another economic variable
PED
A measure of the responsiveness of the quantity demanded of a good or service to a change in ifs price