Nyorai kupfuurira kweiyi ndima - Zieleniec akapedza yakawanda yebasa rake roumhizha somunhu wezvemari. Kubva muna 1973 kusvikira pakaparara utongi hwechiCommunist
muna 1989, akashanda pakutanga somunhu tsvakurudzo mushandi ari Institute of Research mu Engineering Technology uye Economics Research, uye gare gare panguva Institute of Economics pamusoro Czechoslovak Academy of Sciences. Kunze kwekutsvakurudza mune microeconomic theory, akashanda pane zvinetso zvekuchinja kwehupfumi kubva pakuronga kwepakati kusvika kumusika wezvemari. Chidzidzo "Czechoslovakia pamharadzano", chakavakirwa pakutsvakurudza kwake, chakanga chine pesvedzero huru panhaurirano pamusoro peshanduko dzezvehupfumi pashure pa1989.