?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=https%3A%2F%2Fpure.iiasa.ac.at%2Fid%2Feprint%2F4583%2F&rft.title=An+Evolutionary+Model+of+Long+Term+Cyclical+Variations+of+Catching+Up+and+Falling+Behind&rft.creator=Silverberg%2C+G.&rft.creator=Verspagen%2C+B.&rft.publisher=WP-95-009&rft.date=1995-02&rft.type=Monograph&rft.type=NonPeerReviewed&rft.format=text&rft.language=en&rft.identifier=https%3A%2F%2Fpure.iiasa.ac.at%2Fid%2Feprint%2F4583%2F1%2FWP-95-009.pdf&rft.identifier=++Silverberg%2C+G.+%3Chttps%3A%2F%2Fpure.iiasa.ac.at%2Fview%2Fiiasa%2F284.html%3E+%26+Verspagen%2C+B.+%3Chttps%3A%2F%2Fpure.iiasa.ac.at%2Fview%2Fiiasa%2F2482.html%3E++(1995).++An+Evolutionary+Model+of+Long+Term+Cyclical+Variations+of+Catching+Up+and+Falling+Behind.+++IIASA+Working+Paper.+IIASA%2C+Laxenburg%2C+Austria%3A+WP-95-009+++++