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On the Soviet incentive model
Ekern, Steinar, (1978)
Zysk a bodźce materialnego zainteresowania
Traczyński, Zbigniew, (1977)
Einkommensaufwendung und Besteuerung der Unternehmen
Gadó, Ottó, (1973)
Adaptive exponential smoothing revisited
Ekern, Steinar, (1980)
Comparative statics and risk aversion
Consistent rankings based on total and differential amounts under uncertainty