Price increase as a result of high demand is an example of:答案选项组Negative externalityNo externalityMarket malfunctionPositive externality

If companies who internalised an externality want to supply less at any given price compared to the original market supply, it must be a:Question 2Select one:A.Social externality.B.Positive externality. C.Negative externality.D.Network externality.

Which of the following is the best example of a negative externality? aOil leakages from drilling platforms in the Gulf of Mexico bA decline in oil stock prices as a result of bad management cAn increase in the price of oil due to the imposition of environmental regulations dAn increase in the price of oil due to action taken by the Organization of Petroleum Exporting Countries (OPEC)

_____ is a type of good for which demand increases as its price rises ?Giffen Good Capital Good Consumer Good none

When there is an externality in a market,Group of answer choicesthe externality will move the market to an economically efficient equilibrium.the externality will cause the market price to be less than or greater than the equilibrium price.the government should use price controls to enable the market to reach equilibrium.government intervention may increase economic efficiency.

If the social benefit of consuming a good or a service exceeds the private benefit,Group of answer choicesthe market achieves economic efficiency.a negative externality exists.a positive externality exists.the sum of consumer surplus and producer surplus is maximised.