| gptkbp:instanceOf | gptkb:school_of_economic_thought 
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                                | gptkbp:associatedWith | gptkb:Cambridge_capital_controversy input-output analysis
 surplus approach
 price theory
 
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                                | gptkbp:contrastsWith | general equilibrium theory marginalism
 
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                                | gptkbp:criticizedFor | neoclassical economics 
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                                | gptkbp:developedBy | Piero Sraffa's 1960 book 'Production of Commodities by Means of Commodities' 
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                                | gptkbp:emphasizes | physical quantities over utility 
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                                | gptkbp:focusesOn | distribution of income production of commodities by means of commodities
 
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                                | gptkbp:influencedBy | gptkb:David_Ricardo gptkb:Karl_Marx
 Classical economics
 
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                                | gptkbp:namedAfter | gptkb:Piero_Sraffa 
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                                | gptkbp:studiedBy | gptkb:Giorgio_Lunghini gptkb:Heinz_Kurz
 gptkb:Ian_Steedman
 gptkb:John_Eatwell
 gptkb:Neri_Salvadori
 gptkb:Pierangelo_Garegnani
 gptkb:Murray_Milgate
 gptkb:G._C._Harcourt
 gptkb:Joan_Robinson
 gptkb:Paul_Samuelson
 gptkb:Geoffrey_Harcourt
 gptkb:Luigi_Pasinetti
 gptkb:Heinz_D._Kurz
 gptkb:Marc_Lavoie
 gptkb:Amit_Bhaduri
 gptkb:A._Ciccone
 gptkb:A._D'Agata
 gptkb:A._Ginzburg
 gptkb:A._Graziani
 gptkb:A._Palumbo
 gptkb:A._Petri
 gptkb:A._Quadrio_Curzio
 gptkb:A._Roncaglia
 gptkb:A._Stirati
 gptkb:A._Trezzini
 gptkb:A._Vercelli
 gptkb:A._Zazzaro
 gptkb:Ajit_Sinha
 gptkb:Bertram_Schefold
 gptkb:Christian_Bidard
 gptkb:E._J._Nell
 gptkb:Enrico_Bellino
 gptkb:Fabio_Petri
 gptkb:Franklin_Serrano
 gptkb:G._Mongiovi
 gptkb:Guglielmo_Chiodi
 gptkb:J._E._King
 gptkb:John_Vint
 gptkb:Massimo_De_Angelis
 gptkb:Peter_Flaschel
 gptkb:Riccardo_Bellofiore
 gptkb:Robert_Vienneau
 gptkb:Saverio_M._Fratini
 gptkb:Sergio_Parrinello
 
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                                | gptkbp:bfsParent | gptkb:post-Keynesian_economists gptkb:post-Keynesian_economics
 
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                                | gptkbp:bfsLayer | 6 
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                                | https://www.w3.org/2000/01/rdf-schema#label | Sraffian economics 
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