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Econ midterm 2
fuckthishit
60
Economics
Undergraduate 1
10/18/2011

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Term
Demand-Side market failure
Definition
where demand curve doesnt fully show what consumers are willing to pay for a good
"problem with public goods"
ex. fireworks
Term
supply side market faulure
Definition
when suppply curves dont fully reflect the full cost of producing a good or service
Problem of Externalities
pollution from a plant
Term
B. Consumer Surplus
Definition
the difference between the maximum price a consumer is willing to pay for a product and the actual price of the product
Term
calculate consumer surplus
Definition
max price willing to pay-actual price
Term
graph consumer surplus
and calculate from graph
Definition
pg 94
area of cs triangle
Term
C. Producer Surplus
def
calculate
graph it
calculate from graph
Definition
the difference between the actual price a producer receives and the minimum price they are willing to receive (and still produce the product)
calc: actual price-minimum Acceptable price
graph: page 96
calculate from graph: area of ps triangle
Term
market efficiency
Definition
when mb=mc
max willingness to pay=min accept price
economic surplus (cs+ps) is at max
(shown on 96)
Term
deadweight loss
Definition
reduction in economic surplus resulting from overproduction or underproduction
Term
rivalry goods
Definition
once one person uses it, no one else can
Term
exludability
Definition
anyone who does not pay can use it
Term
private good
Definition
rival and exlude
Term
quasi public
Definition
must pay but othesrs can use it
ex. toll road
Term
common resource
Definition
fish in river or rublic grazing land
(rival nonexclude)
Term
public goods
Definition
national defense
court system
Term
free rider causes
Definition
low or nonexistant demand curve
demand side market failure
Term
optimal quantity of public goods
Definition
vertical adding to obtain collective willingness to pay
demand curve cannot be determined
mb=mc (optimal)
Term
externalities
Definition
result of inequality in cost or benefits
Term
posive exterbalisty
Definition
spilled over benefits
Term
negative externality
Definition
spilled over cost
Term
private cost
Definition
cost to produce
Term
social cost
Definition
private cost+exterbal cost (ex. contaminated water)
Term
negative externalities
Definition
when producers dont take full scoail loss into account
market failure on supply side
see 105
causes dwl on right side
Term
correcting negative externality
Definition
1. direct control-pass legislation limiting an activity. would raise mc of production bc firms have to maintain pollution control

2. Market for Externality rights-cap and trade of co2

3. specific taxes-related to particual good ex. tax raises marginal cost of production by two
Term
correcting positive externality
Definition
1. subsidies to buyers-coupons, vouchers
2. subsidies to producers-tax in reverse (lower marginal cost of production)
3. government provision-rare case occurrs when a huge positive externality-government will give it for free, like a polio vaccination
Term
coase theorom
Definition
under right conditions, individuals can engage in private bargaining w/out the need for government intervention
ex. a bee farmer
get a graph of this foolishness in 109
Term
optimal externality reduction
Definition
where mb=mc og 109
some foolishness about polluction
Term
total utility
Definition
total amount of satisfaction a person gets from consuming a quantity of a good
Term
marginal utility
Definition
"extra" satisfaction that a consumer gets from an additional good
Term
law of diminishing marginal Utility
Definition
added satisfaction declining as a consu,er acquires additional units or a given product
Term
marginal utility graph
Definition
straight down graph
Term
total utility graph
Definition
goes up then down
Term
consumer choice (4 things)
Definition
1. i rational
has compete preferences
obeys a budget constraint
does not affect Price
Term
rational behavior
Definition
consumers want the grestest level of satisfaction
Term
preferences
Definition
consumers have clear preferences
Term
budget constraint
Definition
consuers have a fixed income at any given time
Term
price
Definition
price is unaffected by the amount an individual buys
Term
utility Maximizing Rule
Definition
Consumers want the greatest satisfaction they can obtain within their budget
Term
indifference curves
Definition
shows all combinations of two goods that gives us the same total satisfaction utility
further out higher utilility
Term
explicit cost
Definition
monetary payments to purchase resources the firm doesnt own
Term
implicit cost
Definition
opportunity costs of using resources already owned by the firm to make a product instead of selling them for cash
Term
calculate accounting profit
Definition
Total revenue-explicit cost (ec=ac)
Term
economic profit calc
Definition
total revenue-implicit cost-explicit cost
Term
fixed costs
Definition
cost that doesnt vary w/changes in output ie- rent
Term
variable costs
Definition
cost that change with the level of output
Term
total cost
Definition
fixed+variable cost
Term
AFC=average fixed cost
Definition
Total fixed cost/quantity
Term
Average variable cost (avc)
Definition
TVC/Q
Term
ATC
Definition
TC/Q
Term
marginal cost
calculated by
Definition
additional cost of producing one more unit of output
MC=Change in TC
Term
economy of scale
Definition
higher output
lowerATC
from specializationa and efficient equipment
Term
characteristics of pure competition (four of em)
Definition
very large number of firms
standardized product
"price-takers"
free entry into and exit from the market
Term
individual firm
Definition
perfecty elastic demand
Term
average revenue
Definition
revenue per unit (price)
AR=P
Term
total revenue
Definition
Price*Quantity
Term
Marginal Revenue=MR
Definition
change in TR from selling one more unit
MR=P
Term
should produce where MC O MR
Definition
MC=MR
round down if hitting fraction
Term
long run equilibrium
Definition
occurs when P=MC=MinATC
economic profit is equal to zero in logrun
basically long run
Term
productive efficiency
Definition
producing a good in the least costly way
when P=minATC
Term
allocative efficiency
Definition
distributing resources to produce goods most wanted by customers
when P=MC
Term
steps of restoring market equilibrium
Definition
demand increase
price increase
firms make profit
more firms enter
supply increases
price decreases
equilibrium
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