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JOURNALOFECONOMICBEHAVIORREVISED23JUNE2000ACCEPTED15SEPTEMBER2000AVAILABLEONLINE28MARCH2002ABSTRACTTHISPAPERISANATTEMPTTORAIDBOTHTHELITERATUREONMODULARDESIGNANDTHELITERATUREONPROPERTYRIGHTSTOCREATETHEOUTLINESOFAMODULARITYTHEORYOFTHEFIRMSUCHATHEORYWILLLOOKATFIRMS,ANDOTHERORGANIZATIONS,INTERMSOFTHEPARTITIONINGOFRIGHTSUNDERSTOODASPROTECTEDSPHERESOFAUTHORITYAMONGCOOPERATINGPARTIESANDITWILLASSERTTHATORGANIZATIONSREFLECTNONMODULARSTRUCTURES,THATIS,STRUCTURESINWHICHDECISIONRIGHTS,RIGHTSOFALIENATION,ANDRESIDUALCLAIMSTOINCOMEDONOTALLRESIDEINTHESAMEHANDSAUTHORKEYWORDSMODULARITYPROPERTYRIGHTSTRANSACTIONCOSTSCAPABILITIESSTANDARDSJELCLASSIFICATIONCODESD23L22ARTICLEOUTLINE1INTRODUCTION2MODULARITYANDCOMPLEXITY3DESIGNPROCESSES4ENCAPSULATIONBOUNDARIES5MODULARITY,PROPERTYRIGHTS,ANDORGANIZATION6MODULARITY,ORGANIZATION,ANDTECHNOLOGY7AMODULARITYTHEORYOFTHEFIRMREFERENCES1INTRODUCTIONMODULARITYISAVERYGENERALSETOFPRINCIPLESFORMANAGINGCOMPLEXITYBYBREAKINGUPACOMPLEXSYSTEMINTODISCRETEPIECESWHICHCANTHENCOMMUNICATEWITHONEANOTHERONLYTHROUGHSTANDARDIZEDINTERFACESWITHINASTANDARDIZEDARCHITECTUREONECANELIMINATEWHATWOULDOTHERWISEBEANUNMANAGEABLESPAGHETTITANGLEOFSYSTEMICINTERCONNECTIONSSUCHIDEASARENOTNEWINTHELITERATUREOFTECHNOLOGICALDESIGNSIMONANDALEXANDER,EVENIF,ASSOMECLAIMBALDWINANDCLARK,1997,MODULARITYISBECOMINGMOREIMPORTANTTODAYBECAUSEOFTHEINCREASEDCOMPLEXITYOFMODERNTECHNOLOGYWHATISNEWISTHEAPPLICATIONOFTHEIDEAOFMODULARITYNOTONLYTOTECHNOLOGICALDESIGNBUTALSOTOORGANIZATIONALDESIGNSANCHEZANDMAHONEY1996GOSOFARASTOASSERTTHATMODULARITYINTHEDESIGNOFPRODUCTSLEADSTOORATLEASTOUGHTTOLEADTOMODULARITYINTHEDESIGNOFTHEORGANIZATIONSTHATPRODUCESUCHPRODUCTSFROMANOTHERANGLE,HOWEVER,THEPRINCIPLESOFMODULARITYHAVEANEVENLONGERPEDIGREEINTHESOCIALSCIENCESWECANTHINKOFADAMSMITHS“OBVIOUSANDSIMPLESYSTEMOFNATURALLIBERTY“SMITH1976ASAMONGTHEEARLIESTPROPOSALSFORHOWACOMPLEXMODERNSOCIETYMIGHTBEMADEMOREPRODUCTIVETHROUGHAMODULARDESIGNOFSOCIALANDECONOMICINSTITUTIONSINSEPARATINGMINEFROMTHINE,RIGHTSOFPRIVATEPROPERTYMODULARIZESOCIALINTERACTION,WHICHISTHENMEDIATEDTHROUGHTHEINTERFACEOFVOLUNTARYEXCHANGE,ALLUNDERTHEGOVERNANCEOFTHESYSTEMSARCHITECTUREOFCOMMONLAWIWILLTRYTOSUGGESTTHAT,DESPITEITSHEAVYEMPHASISONINCENTIVEISSUES,THEECONOMICSOFPROPERTYRIGHTSTHATEMERGEDFROMTHEWORKOFCOASEANDCOASEINBOTHITSORIGINALFORMFURUBOTNANDPEJOVICH,1972ANDITSMOREFORMALRECENTINCARNATIONHART,1989PROVIDESAGOODDEALOFMATERIALUSEFULFORUNDERSTANDINGTHENATUREANDROLEOFMODULARITYINSOCIALINSTITUTIONSAVENNDIAGRAMWOULDREVEALONLYTHETHINNESTOFOVERLAPSBETWEENTHEMANAGEMENTLITERATUREONMODULARITYANDTHEECONOMICSOFPROPERTYRIGHTSTHEMANAGEMENTLITERATUREASKSHOWANDWHYFIRMSSHOULDDESIGNMODULARPRODUCTSANDHOWTHEYSHOULDORGANIZETHEMSELVESINTERNALLYTOCOPEWITHTHOSEMODULARPRODUCTSTHELITERATUREONWHATISIMPLICITLYMODULARITYINSOCIALINSTITUTIONSASKSHOWTHEINTERACTIONSAMONGORGANIZATIONALUNITSSHOULDBESTRUCTUREDTOINCREASEWEALTHANDPROMOTEECONOMICGROWTHTHEOVERLAPPINGQUESTION,OFCOURSE,ISCOASESQUESTIONWHATDETERMINESTHEBOUNDARIESOFORGANIZATIONSWHYARESOMEMODULARSOCIALUNITSGOVERNEDBYTHEARCHITECTUREOFTHEORGANIZATIONANDSOMEGOVERNEDBYTHELARGERARCHITECTUREOFTHEMARKETTHISPAPERISANATTEMPTTORAIDBOTHTHELITERATUREONMODULARDESIGNANDTHELITERATUREONPROPERTYRIGHTSTOCREATETHEOUTLINESOFAMODULARITYTHEORYOFTHEFIRMTHISTHEORYWILLLOOKATFIRMS,ANDOTHERORGANIZATIONS,INTERMSOFTHEPARTITIONINGOFRIGHTSUNDERSTOODASPROTECTEDSPHERESOFAUTHORITYAMONGCOOPERATINGPARTIESANDITWILLASSERTTHATORGANIZATIONSREFLECTNONMODULARSTRUCTURES,THATIS,STRUCTURESINWHICHDECISIONRIGHTS,RIGHTSOFALIENATION,ANDRESIDUALCLAIMSTOINCOMEDONOTALLRESIDEINTHESAMEHANDSTHEREASONSBEHINDALTERNATIVEPARTITIONSARENUMEROUSANDCOMPLEX,HOWEVER,CALLINGFORSUBTLETYINTHEAPPLICATIONOFTHEIDEAOFMODULARITYTOTHEFIRM2MODULARITYANDCOMPLEXITYTHEWORLDISFULLOFCOMPLEXSYSTEMSNATUREPROVIDESANABUNDANCEOFCOMPLEXORGANISMSANDECOSYSTEMS,ANDHUMANSHAVECONSTRUCTEDCOMPLEXMECHANICAL,INTELLECTUAL,ORGANIZATIONAL,ANDSOCIALSYSTEMSBUTWHATEXACTLYDOESITMEANFORASYSTEMTOBECOMPLEXFORHERBERTSIMON,ACOMPLEXSYSTEMIS“ONEMADEUPOFALARGENUMBEROFPARTSTHATINTERACTINANONSIMPLEWAYINSUCHSYSTEMS,THEWHOLEISMORETHANTHESUMOFTHEPARTS,ATLEASTINTHEIMPORTANTPRAGMATICSENSETHAT,GIVENTHEPROPERTIESOFTHEPARTSANDTHELAWSOFTHEIRINTERACTION,ITISNOTATRIVIALMATTERTOINFERTHEPROPERTIESOFTHEWHOLE“1SIMON,1962,P195COMPLEXITYISTHUSAMATTERBOTHOFTHESHEERNUMBEROFDISTINCTPARTSTHESYSTEMCOMPRISESANDOFTHENATUREOFTHEINTERCONNECTIONSORINTERDEPENDENCIESAMONGTHOSEPARTSONEWAYTOMANAGECOMPLEXITY,THEN,ISTOREDUCETHENUMBEROFDISTINCTELEMENTSINTHESYSTEMBYGROUPINGELEMENTSINTOBYHIDINGELEMENTSWITHINASMALLERNUMBEROFSUBSYSTEMSSIMONARGUESFORTHECRITERIONOFDECOMPOSABILITYINMODULARDESIGN,WHICHHEOFFERSBOTHASAPRESCRIPTIONFORHUMANDESIGNERSANDASADESCRIPTIONOFTHESYSTEMSWEFINDREADYMADEINNATURETOMAKETHELATTERPOINTHEOFFERSTHEPARABLEOFTHEWATCHMAKERSTEMPUSANDHORABOTHMAKECOMPLICATEDWATCHSYSTEMSFROMMYRIADPARTS,ANDBOTHAREINTERRUPTEDFREQUENTLYINTHEIRWORKTEMPUSDOESNOTDESIGNHISWATCHESASDECOMPOSABLESYSTEMS,SOEVERYTIMEHEISINTERRUPTEDANDFORCEDTOSETASIDEHISWORK,THEENTIREUNFINISHEDASSEMBLYFALLSTOPIECESBYCONTRAST,HORAFIRSTBUILDSSTABLESUBASSEMBLIESTHATHE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