R. H. Coase - The Firm, the Market, and the Law.pdf
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R. H. Coase - The Firm, the Market, and the Law.pdf
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THEFIRMR.H.CoaseTheFirmtheMarketandtheLawTheFirmtheMarketandtheLawR.H.Coasew)TheUniversityofChicagoPressChicagoandLondonThelfniversit)olChicagoPress.Chicago60637IIk-IniversitjofChicagoPress,Ltd.,London1988byTheUniversit)ofChicagoAllrightsreserved.Published1988Paperbackedition1990PrimedintheUnitedStatesofAmerica1312II10090807060504910II1213LibraryofCongressCataloging-in-PublicationDataCoase,R.H.(RonaldHarry)Thefirm,themarket,andthelaw/R.H.Coase.Includesindex.ISBN0-226-11101-6(paper)I.Industrialorganization(Economictheory)2.Externalities(Economics)3.Capitalism.I.Title.HD2326.C61988338.5142dcl987-24193ThepaperusedinthispublicationmeetstheminimumrequirementsoftheAmericanNationalStandardforInformationSciencesPermanenceofPaperforPrintedLibraryMaterials.ANSIZ39.48-1992.ContentsPrefaceviiONETheFirm,theMarket,andtheLaw1TWOTheNatureoftheFirm33THREEIndustrialOrganization:
AProposalforResearch57FOURTheMarginalCostControversy75FIVETheProblemofSocialCost95SIXNotesontheProblemofSocialCost157SEVENTheLighthouseinEconomics187Index215DigitizedbytheInternetArchivein2011http:
/www.archive.org/details/firmmarketlawOOcoasPrefaceThepurposeofthisbookistopersuademyfelloweconomiststochangethewaytheyanalyzeanumberofimportantques-tionsinmicro-economics.Mostofthebookconsistsofreprintsofpreviouslypublishedarticles,butIhaveattemptedinanintroductoryessayandinapaperentitledNotesontheProb-lemofSocialCosttomakeclearerthecharacterofthear-gumentinthesearticlesandtorespondtosomeofthemaincriticismswhichhavebeenmadeofthem.Nochangeshavebeenmadeinthearticlesreprintedexcepttocorrectmisprintsandtoremovesomeeccentricitiesinmyspellingandgrammar.IhavetothankGaryBecker,GerhardCasper,AaronDirector,andGeorgeStigler,allofwhomreadmyintroductoryessayandNotesontheProblemofSocialCostandmadesuggestionswhichhaveresultedinmanyimprovements,al-thoughnotasmanyastheywouldhavewished.ONETheFirm,theMarket,andtheLawI.TheAimoftheBookThecoreofthisbookconsistsofthreepapers,TheNatureoftheFirm(1937),TheMarginalCostControversy(1946),andTheProblemofSocialCost(1960).Otherpaperswhichextend,illustrate,orexplaintheargumentsinthesethreepa-persarealsoincluded.Aswillbecomeapparent,theseessaysallembodyessentiallythesamepointofview.Mypointofviewhasnotingeneralcommandedassent,norhasmyargument,forthemostpart,beenunderstood.Nodoubtinadequaciesinmyexpositionhavebeenpartlyrespon-sibleforthisandIamhopefulthatthisintroductoryessay,whichdealswithsomeofthemainpointsraisedbycommen-tatorsandrestatesmyargument,willhelptomakemypositionmoreunderstandable.ButIdonotbelievethatafailureofexpositionisthemainreasonwhyeconomistshavefoundmyargumentsodifficulttoassimilate.Astheargumentinthesepapersis,Ibelieve,simple,sosimpleindeedasalmosttomaketheirpropositionsfallintothecategoryoftruthswhichcanbedeemedself-evident,theirrejectionorapparentincomprehen-sibilitywouldseemtoimplythatmosteconomistshaveadif-ferentwayoflookingateconomicproblemsanddonotsharemyconceptionofthenatureofoursubject.ThisIbelievetobetrue.AtthepresenttimethedominantviewofthenatureofeconomicsisthatexpressedinRobbinsdefinition:
Econom-icsisthesciencewhichstudieshumanbehaviourasarela-tionshipbetweenendsandscarcemeanswhichhavealternativeTheFirm,theMarket,andtheLawuses.1Thismakeseconomicsthescienceofhumanchoice.Inpractice,mosteconomists,includingRobbins.restricttheirworktoamuchnarrowersetofchoicesthanthisdefinitionwouldsuggest.Recently,however,BeckerhasarguedthatRobbinswayoflookingateconomicsneednotbesocon-strainedandthattheeconomicapproach,ashetermsit,canandshouldbeappliedmoregenerallythroughoutthesocialsciences.Thattheeconomicapproachcanbeappliedsuc-cessfullyintheothersocialsciencesisdemonstratedbyBeck-ersownwork.2Itsverysuccess,however,posesthequestion.Whyhavetheeconomiststoolsoftradeprovedtobesoversatile?
Myparticularinteresthasbeeninthatpartofeconomictheorywhichdealswithfirms,industries,andmarkets,whichusedtobecalledValueandDistributionandisnowusuallytermedpricetheoryormicro-economics.Itisanintricatestruc-tureofhighintellectualqualityandhasproducedvaluablein-sights.Economistsstudyhowthechoiceofconsumers,inde-cidingwhichgoodsandservicestopurchase,isdeterminedbytheirincomesandthepricesatwhichgoodsandservicescanbebought.Theyalsostudyhowproducersdecidewhatfactorsofproductiontouseandwhatproductsandservicestomakeandsellandinwhatquantities,giventhepricesofthefactors,thedemandforthefinalproduct,andtherelationbetweenoutputandtheamountsoffactorsemployed.Theanalysisisheldtogetherbytheassumptionthatconsumersmaximizeutil-ity(anonexistententitywhichplaysapartsimilar.Isuspect,tothatofetherintheoldphysics)andbytheassumptionthatproducershaveastheiraimtomaximizeprofitornetincome(forwhichthereisagooddealmoreevidence).Thedecisionsofconsumersandproducersarebroughtintoharmonybythetheoryofexchange.Theelaborationoftheanalysisshouldnothidefromusitsessentialcharacter:
itisananalysisofchoice.Itisthiswhichgivesthetheoryitsversatility.Beckerpointsoutthatwhat1.LionelRobbins.AnEssayontheNatureandSignificanceofEconomicScience,2nded.(London:
Macmillun&Co.,1935),16.2.SeethevariousstudiesinGaryS.Becker,TheEconomicApproachtoHumanBehaviorChicago:
Universit)ofChicagoPress.1976)TheFirm,theMarket,andtheLawmostdistinguisheseconomicsasadisciplinefromotherdis-ciplinesinthesocialsciencesisnotitssubjectmatterbutitsapproach.3Ifthetheorieswhichhavebeendevelopedineco-nomics(oratanyrateinmicro-economics)constituteforthemostpartawayofanalyzingthedeterminantsofchoice(andIthinkthisistrue),itiseasytoseethattheyshouldbeap-plicabletootherhumanchoicessuchasthosethataremadeinlaworpolitics.Inthissenseeconomistshavenosubjectmatter.Whathasbeendevelopedisanapproachdivorced(orwhichcanbedivorced)fromsubjectmatter.Indeed,sincemanisnottheonlyanimalthatchooses,itistobeexpectedthatthesameapproachcanbeappliedtotherat,cat,andoctopus,allofwhomarenodoubtengagedinmaximizingtheirutilitiesinmuchthesamewayasdoesman.Itisthereforenoaccidentthatpricetheoryhasbeenshowntobeapplicabletoanimalbehaviour.4Thispreoccupationofeconomistswiththelogicofchoice,whileitmayultimatelyrejuvenatethestudyoflaw,politicalscience,andsociology,hasnonethelesshad,inmyview,se-riousadverseeffectsoneconomicsitself.Oneresultofthisdivorceofthetheoryfromitssubjectmatterhasbeenthattheentitieswhosedecisionseconomistsareengagedinanalyzinghavenotbeenmadethesubjectofstudyandinconsequencelackanysubstance.Theconsumerisnotahumanbeingbutaconsistentsetofpreferences.Thefirmtoaneconomist,asSlaterhassaid,kkiseffectivelydefinedasacostcurveandademandcurve,andthetheoryissimplythelogicofoptimalpricingandinputcombination.5Exchangetakesplacewithoutanyspecificationofitsinstitutionalsetting.Wehaveconsumerswithouthumanity,firmswithoutorganization,andevenex-changewithoutmarkets.TherationalutilitymaximizerofeconomictheorybearsnoresemblancetothemanontheClaphambusor,indeed,to3.Ibid.,5.4.See,forexample,JohnH.Kagel.RaymondC.Battalio.HowardRachlin.andLeonardGreen,DemandCurvesforAnimalConsumers/1Quar-terlyJournalofEconomics96,no.1(Februaryis,xi):
1-14.5MartinSlater,ForewordtoEdithT.Penrose./;TheoryojtheGrowthojtheFirm,2nded.(WhitePlains,N.Y.:
M.E.Sharpe,1980).ix.TheFirm,theMarket,andtheLawanyman(orwoman)onanybus.Thereisnoreasontosupposethatmosthumanbeingsareengagedinmaximizinganythingunlessitbeunhappiness,andeventhiswithincompletesuc-cess.Knighthasexpressedthethoughtverywell:
il.theargumentofeconomists.thatmenworkandthinktogetthemselvesoutoftroubleisatleasthalfaninversionofthefacts.Thethingsweworkforareannoyersasoftenassatis-fies/wespendasmuchingenuityingettingintotroubleasingettingout,andinanycaseenoughtokeepineffectively.Amanwhohasnothingtoworryaboutimmediatelybusieshimselfincreatingsomething,getsintosomeabsorbinggame,fallsinlove,preparestoconquersomeenemy,orhuntlionsortheNorthPoleorwhatnot.6Ibelievethathumanpreferencescametobewhattheyareinthosemillionsofyearsinwhichourancestors(whetherornottheycanbeclassifiedashuman)livedinhuntingbandsandwerethosepreferenceswhich,insuchconditions,werecon-ducivetosurvival.Itmaybe,therefore,thatultimatelytheworkofsociobiologists(andtheircritics)willenableustoconstructapictureofhumannatureinsuchdetailthatwecanderivethesetofpreferenceswithwhicheconomistsstart.Andifthisresultisachieved,itwillenableustorefineouranalysisofconsumerdemandandofotherkindsofbehaviourintheeconomicsphere.Inthemeantime,however,whatevermakesmenchooseastheydo,wemustbecontentwiththeknowledgethatforgroupsofhumanbeings,inalmostallcircumstances,ahigher(relative)priceforanythingwillleadtoareductionintheamountdemanded.Thisdoesnotonlyrefertoamoneypricebuttopriceinitswidestsense.Whethermenarerationalornotindecidingtowalkacrossadangerousthoroughfaretoreachacertainrestaurant,wecanbesurethatfewerwilldosothemoredangerousitbecomes.Andweneednotdoubtthattheavailabilityofalessdangerousalternative,say,ape-destrianbridge,willnormallyreducethenumberofthosecrossingthethoroughfare,northat,aswhatisgainedbycross-ingbecomesmoreattractive,thenumberofpeoplecrossing6.FrankH.Knight,TheEthicsofCompetition,2nded.(NewYork:
Harper&Bros.1936).32.TheFirm,theMarket,andtheLawwillincrease.Thegeneralizationofsuchknowledgeconstitutespricetheory.Itdoesnotseemtometorequireustoassumethatmenarerationalutilitymaximizers.Ontheotherhand,itdoesnottelluswhypeoplechooseastheydo.Whyamanwilltakeariskofbeingkilledinordertoobtainasandwichishiddenfromuseventhoughweknowthat,iftheriskisin-creasedsufficiently,hewillforegoseekingthatpleasure.Noneoftheessaysinthisbookdealswiththecharacterofhumanpreferences,nor,asIhavesaid,doIbelievethateconomistswillbeabletomakemuchheadwayuntilagreatdealmoreworkhasbeendonebysociobiologistsandothernoneconomists.Buttheacceptancebyeconomistsofaviewofhumannaturesolackingincontentisofapiecewiththeirtreatmentofinstitutionswhicharecentraltotheirwork.Theseinstitutionsarethefirmandthemarketwhichtogethermakeuptheinstitutionalstructureoftheeconomicsystem.Inmain-streameconomictheory,thefirmandthemarketare,forthemostpart,assumedtoexistandarenotthemselvesthesubjectofinvestigation.Oneresulthasbeenthatthecrucialroleofthelawindeterminingtheactivitiescarriedoutbythefirmandinthemarkethasbeenlargelyignored.Whatdifferentiatestheess
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