Treść książki

Przejdź do opcji czytnikaPrzejdź do nawigacjiPrzejdź do informacjiPrzejdź do stopki
22
.
1.Theoriginsofvalue-freeeconomics
Theupshotofourinterpretationofthepurposeofthetheoryisthatthe
revolutionarysignifcanceoftheSamuelsonTheoryislost.Thedevelopmentof
thetheorydoesnotrepresentabreakwiththetraditionineconomictheoryin
whichconsumerbehaviourisexplainedintermsofpreferences(andmaterial
circumstances).Consequently,theattendantphilosophicalandpsychological
controversiesofutilitytheory,whichSamuelsonhopedtoevadewithhis
observationaltheory,arenotexorcisedfromthecorpusofeconomictheory.
AlthoughSamuelsonwasnotabletointroduceatheorydifferentthanordinal
utilityapproach,hiseffortshadanenormousinfluenceonneoclassicaleconomics
whichstillperceivesrationalityinaninstrumentalway,hasnointerestinhuman
motivations,andassumesthatchoiceHreveals”humanpreferences.
1.3.Robbinsandvalue-freeeconomics
ItishardtooverestimatetheimportanceofLionelRobbins’Essayonthenature
andsignificanceofeconomicscience(Robbins,1932).ItwasdescribedasaHclassic
tract”(Caldwell,1982,p.99)andHthelofficial’statementofthegeneralontology
andepistemologyofthediscipline”(Ross,2005,p.87).Witztum(2007,p.58)
indicatesthreecentraltenetsofRobbins’mostimportantessay:
1.Thesubjectmatterofeconomicsisthetensionbetweenscarcityandwants
(themeans-endsproblem).
2.Economicsisbasedonaxioms(abstractions)whicharederivedfrom
experienceandwhichleadtostatementsaboutreality(hence,the‘scientifc’
natureofthesubject).
3.Economicsisnotconcernedwithendsbutonlywiththemeansavailableto
achievethoseends.Itis,thus,valuefree.
Thesetenetswerenecessarytoachievethreegoals.Firstly,theydefineeconomic
scienceasthestudyofscarcity-constrainedrationalchoice.Secondly,they
puteconomicsonafirmerepistemologicalfoundation(movingawayfrom
hedonism).Thirdly,theymakeanargumentagainstinterpersonalutility
comparisons(Hands,2007).Ifthesethreegoalshadbeenachieved,marginalist
economicwouldhavebeenprovidedwithexclusiverightstothetitleof
scientificeconomics.Ofcourse,theprofessionwouldstillneedhistoricaldata
andotherempiricalevidenceprovidedbytheinstitutionalistorhistorical
schools.5However,itleavesthepurescienceofeconomicstomarginalismalone
(Hands,2007).Inthischapter,eachofthesegoalswillbeanalysed,especiallyin
thecontextofvalue-freeeconomics.
Whenitcomestothefirstassumption,RobbinswritesthatHeconomicsisthe
sciencewhichstudieshumanbehaviourasarelationshipbetweenendsand
5
RobbinsmentionsHaSchmoller,aVeblen,oraHamilton”(Robbins,1932,p.116).