Exam simulation solution 202223

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Environmental standard: This approach involves setting specific regulatory standards that firms must meet in terms of their environmental footprint. Unlike a Pigouvian tax, it provides a clear and enforceable requirement for firms to reduce their pollution. Since all firms have the same abatement cost function, implementing an environmental standard ensures that all firms are held to the same environmental performance level. Compliance with the standard can be monitored ex-ante, making it less complex for the policymaker to control firms' actions. 1) V Theelasticityofthe demandcurve measure the responsiveness ofthe quantitydemandtochangesintheprice. Itis calculatedas thepercentagechangeinquantitydemanded dividedbythepercentagechangein price E= da/a= dQ P dP/p P Q 2) I notbe efficientdue to thefirmshistoricallyhavenot reducedpollutionon theirown. v Whilepigorviantaxis amarket-basedapproach thataimstointernalizethenegativeexternalityof pollution,itrequirescomplexex-postmonitoringandenforcedmentto ensure firmscomplywith thetax. This can bechallenginginour CaSC. W 3) - v DEMAND MCP ⑧ SUPPLY y IntheDay-Ahead- Market,themarketclearingpriceis typicallydeterminedbythemarginalbid.Marketparticipantssubmitbids startingatthe quantityofelectricitytheyare willingtosupplyat variousprices.Thebidsare arrangedin ascendingorderbasedontheir prices.The marketclearingpriceisthensetatthe pricelevelwherethe quantityofelectricitysuppliedmatchesthequantityof electricitydemanded. Thebidwith thehighestacceptedpriceamongthesuccessfulbids(i.e.the marginalbid)determinesthemarketclearingpriceforallacceptedbids. 4) W - Theconsumer surplusisthedifferencebetweentheprice thatconsumerspay(marketprice)andthe pricethattheyP- CS are willingtopay(reservationprice). D I 5) 7 couldwork butthe monopolistcould…