info:oai:pure.iiasa.ac.at:14238info:ofi/fmt:xml:xsd:journalGorbachukV.M.Gorbachuk, V.M.ErmolievY.Ermoliev, Y.ErmolievaT.Ermolieva, T.92120162304-0920Two stage model of ecological and economic decisionsOdesa National University Herald, Series in Economics142-147article