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Ikonomičeski aspekti na obnovjavaneto i promenite v kačestvoto na promišlenata produkcija
Nikolaev, Ivan; Stojčev, Simeon - 1978
Persistent link: https://www.econbiz.de/10002573591
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Naučno-techničeskijat progres, obnovjavaneto na proizvodstvoto i kačestvoto na produkcijata
Pamukčiev, Minko St.; Benev, Benko - In: Narodnostopanski archiv 37 (1984) 1, pp. 15-23
Persistent link: https://www.econbiz.de/10002618780
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Naučno-techničeski progres, obnovjavane na proizvodstvoto i kačestvo na produkcijata
Pamukčiev, Minko - 1984
Persistent link: https://www.econbiz.de/10001262682
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Valeur at obsolescence des brevets : une analyse des statistiques de renouvellement des brevets européens
Schankerman, Mark; Pakes, Ariel - In: Revue économique : revue bimestrielle 36 (1985) 5, pp. 917-941
Persistent link: https://www.econbiz.de/10002748621
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Cost-reducing investment and price-quality signalling
Shieh, Shiou - 1990
Persistent link: https://www.econbiz.de/10000863299
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Quality ladders and product cycles
Grossman, Gene M.; Helpman, Elhanan - 1989
Persistent link: https://www.econbiz.de/10000798988
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Ceny i kačestvo produkcii proizvodstvenno-techničeskogo naznačenija
Pinzenik, Viktor M. - 1988
Persistent link: https://www.econbiz.de/10000768700
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Pre-emptive product innovation in a free entry framework : product quality improvements and the barrier market
Witteloostuijn, Arjen van - 1988
Persistent link: https://www.econbiz.de/10000769396
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Quality ladders and product cycles
Grossman, Gene M.; Helpman, Elhanan - 1989
Persistent link: https://www.econbiz.de/10000781819
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Quality ladders and product cycles
Grossman, Gene M.; Helpman, Elhanan - 1989
Persistent link: https://www.econbiz.de/10000782591