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Micro-Economics 115 Mid-term
n/a
23
Economics
Undergraduate 1
02/15/2012

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Cards

Term
Opportunity Cost
Definition
The cost associated with forgoing the opportunity to employ a resource in its best alternative use.
Term
Inferior good
Definition
A good that when income increases, the amount demanded decreases
Term
Fixed cost
Definition
A cost associated with production that does not vary with the amount of output; the cost can only be avoided if no good is produced
Term
Law of Demand
Definition
The state of goods where as the price goes up, the quantity demanded increases
Term
Normal good
Definition
A good for which the demand increases as income increases, and demand falls as income falls
Term
Burden of a Tax
Definition
the analysis on who bears the burden of a tax. This depends on the price elasticity of both supply and demand
Term
Inelastic demand
Definition
when the elasticity of demand is between -1 and 0, or when the percentage change in the amount demanded is smaller than the percentage change in price
Term
Budget constraint
Definition
a limiting factor on how much one can consume, whether it be time, money, or other constraint
Term
Marginal utility
Definition
the change in the consumer's utility resulting from the addition of an amount of a good divided by the amount added (new-old/new)
Term
Money metric utility
Definition

a function that describes your preferences through what you bought plus the money left over

Utility= U(x)+M

Term
Individual vs. Markey Demand Curve
Definition
one describes the relationship between the price of a good and the amount a particular consumer purchases. The other is a relationship between the price and the sum of the amount consumers purchase
Term
Indifference curve
Definition
A graph which shows all the alternatives that a consumer likes equally well.
Term
Iso-quant
Definition
A graph that identifies all the input combinations that produce a given amount of outputs.
Term
Iso-cost
Definition
Shows all combinations of inputs which cost the same total amount
Term
Production function
Definition
the equation which states that the output of a firm is the function of its input factors (like labor and capital)
Term
Cost function
Definition
describes the total cost of producing each possible level of output
Term
Sunk costs
Definition
Costs that once paid, cannot be recovered. THey do not (should not) affect production decisions, exit, or entry
Term
Sunk cost fallacy
Definition
misallocates resources by depending on information that is irrelevant to the decision being made -- i.e. thinking that the cost should factor into some decision made (feeling obligated to go to the movies once a ticket is bought)
Term
Elasticity
Definition
a unit free measure of the steepness of a curve. Helps to understand the change in quantity associated with a given change in price. (change in quantity/change in price)
Term
Elasticity of supply
Definition
What the percentage change is in quantity supplied for a given price change (positive)
Term
Elasticity of demand
Definition
Negative. Perfectly elastic _______ is demonstrated by a horizontal line. If price is higher, no one will buy. If price is lower, no one will buy
Term
Perfect complement
Definition
A good whose demand works in conjuction with another good. Therefore, if the demand of one goes up, the demand of the other goes up. (E.g. tea and lemons, right shoes and left shoes)
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