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    Suppose a city releases 16 million gallons of raw sewage into a nearby lake. shows the total costs of cleaning up the sewage to different levels, together with the total benefits of doing so. (Benefits include environmental, recreational, health, and industrial benefits.)

    Using the information in , calculate the marginal costs and marginal benefits of reducing sewage emissions for this city. See Cost and Industry Structure if you need a refresher on how to calculate marginal costs.What is the optimal level of sewage for this city?Why not just pass a law that zero sewage can be emitted? After all, the total benefits of zero emissions exceed the total costs.

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Questions & Answers

Economics is a social sciences that have diverse application
Francis Reply
what is economics?
Osborne Reply
Economic is the study of human behaviour in relation with the scare resources and it alternate use.
Tactful
Economics is a social sciences that have diverse application...
Francis
the branch of knowledge concerned with the production, consumption, and transfer of wealth.
charlon
choice and opportunity cost?
SRIPRIYA Reply
choice is the next best alternative
Taina
Choice is option available. Opportunity cost means giving up other to get The 1st one. eg. U r hungry u got 2option available on fridge A and B. You select A over B. so this is opportunity cost. B is the Opportunity Cost over A.
Tactful
can I get simple language and examples?
Gajendra Reply
what is demand
Yavara Reply
what is fiscal policy
David
fiscal policy can be defined as the use of government's income and expenditure for a specific purpose
Nzenwata
ahhhh.. i dont what is expindetures
ian
It is the policy use by govt to influence economy ( manage inflation and deflation). Steps involved are govt spending and taxation.
Tactful
Demand is quantity of good a person is willing and ready to buy at given period of time at given price.
Tactful
good
abubakar
good but high language
Gajendra
lower the language @gajendra Singh
abubakar
What is natural monopoly
Ruchi
Natural monopoly is a market structure or system where the creation of goods and services, it's distribution and pricing mechanisms are undertaken by a sole firm resulting from demand, economies of scale and existing market survey other than legal constraints.
Gh
I don't really know anything about economics but am offering it at the University....
Oteng
Which uni if I may ask...?
Gh
can u help me guys to answer this question what are the different ways of defining money in your economy? Compare these with the monetary aggregates commonly used in another selected country. Explain their differences and the reasons for such differentiation.
aisyah
Why do we observe a wide variety of checking and savings accounts, rather than just one of each type? What are the reasons for the existence of financial intermediaries? Why do the ultimate lenders usually not lend directly to the ultimate borrowers?
aisyah
what is economic
David
The social science which study human behaviour and relationship between end and scare mean which have alternative uses.
Amadu
Explain economic growth with the use of ppf?
Michael Reply
what z the meaning of ppf
rivan
do u mean ppc
Nzenwata
Yes pls ppc
Michael
an expansionary fiscal policy could be achieved by what
David
if the price of cigarettes ,food and alcohol rised by 10% in a year ,which is most likely to affect the cpi the most.
David
what measures would be suitable for reducing a recessionary gap.
David
increasing the level of government government expenditure is an instrument of what
David
A reductionin income tax rates would blank the blank of the multiplier
David
progressive taxes may slow down economic recovery .This is as a result of what
David
money acts as a safe guard against inflation something and something one of a function of money
David
A rise in expenditure for consumer goods something and something ,one of the cause of cost- push inflation
David
PPC IS production possibility curve. It show possible good which can be produced by an economy with given resource and technology.
Tactful
Recessionary gap can be solved by Monetary and Fiscal policy
Tactful
What are the positive effects on the economy to legalize drugs?
Richard Reply
wat factor give raise to monopoly
Ebenezer Reply
a product which is unique /it has very less substitutes in the market. so this product has no much competition .... for example , railways
mikey
its a monopoly
mikey
does monology has factors or it has merits n demerits
rivan
monopoly or oligopoly is just a type of market in which demand and supply is measured to meet public interests
mikey
economy is all about psychological behaviour of humans to each other and to environment economists role is to keep everything in equilibrium
mikey
factors give rise to monopoly. 1. Patent right 2. Cartel 3. Govt policy. 4. Control over raw material. 5. money for investment
Tactful
oligopoly and monopoly are examples of imperfect market..
Nzenwata
First, second and third degree price determination under monopoly
Ruchi
please explain what is elasticity of supply
Austine Reply
is the responsiveness of quantity supplied of commodity to changes in its own price
rivan
what is the cause of a country's population
Destiny Reply
please it seems your question is not clear ,is it the cause of increase or decrease population in a country or what
okai
what is producer surplus
Destiny Reply
is the excess earns btn wat a producer was willing to charge for e commodity and wat actually receives after selling it
rivan
OK good
Destiny
yeap
Bright
what is supply curve
Destiny Reply
are curve that do not obey the law of supply eg aren't +ve
rivan
half of 1%
Destiny
as in what do u mean by that
rivan
it simply shows the quantity of goods that a film is willing to supply at each price of a commodity
Destiny
OK what is the law of supply as u said
Destiny
It is the indifference curve that indicates the aggregate responsiveness of supply to the price of a commodity, and sometimes its demand of that same commodity.
Gh
nice
Destiny
pls explain how indifference curve connects to the aggregate responsiveness of supply to the price of a commodity
JOSHUA
law of supply according to me states that wen thea z higher price of commodity, the higher will be the supply and lower the supply will be for a commodity other factors remain constant
rivan
Joshua be clear to your QN plizzz
rivan
pls read Gh's comment and break down for me
JOSHUA
may be he can explain more because am am also not getting what he was meaning in that statement
rivan
plizzz GH explain to us
rivan
When demand and supply intersection
Pronoy
then it z called what
rivan
can I learning what is meaning off economics
Jimcaale
can you tall me what is meaning
Jimcaale
good
abubakar
please oligopoly explan.......
Zahid
in oligopoly there is a competition between companies, becoz all those companies produce almost similar products in monopoly , product has no substitutes in the market for competition, so people have no choice to choose another similar product over this, becoz there is no similar product
mikey
oligopoly : mobile phone manufacturing companies have huge competition over one another
mikey
what is consumers surplus
Destiny Reply
is a difference btn consumers planned expenditure and actual experience on the commodity
rivan
OK good
Destiny
What exactly are factors that affects Demand and Supply?
Chandrapaul Reply
demand factors price o commodity size o population level o advertising season 4 commodity testes and preferences price o other related commodity level o consumers income government policy on taxation
rivan
supply factors general price level natural factor level o taxation technology political climate cost o production number o producers aggregate demand working conditions
rivan
yea___ Demographical psychographical geographical factors also account for determination of demand and supply
Gh
the study of economics helps in decision making in the framework of uncertainty and scarcity of resources. discuss the statement and elaborate with examples
Seth
definition of economics
Emmanuel Reply
economics means to manage the limited resources one has in order to maximize satisfaction.
sekou
Economic is a science which study of human behavior as a relationship between and scare means which have alternative uses"
Jacob
phycology of world
mikey
Price and output determination in a monopoly?
Ruchi Reply
Monopoly :its features, measures market power
Ruchi

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Source:  OpenStax, Principles of economics. OpenStax CNX. Sep 19, 2014 Download for free at http://legacy.cnx.org/content/col11613/1.11
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