Nelson, R.R. <https://pure.iiasa.ac.at/view/iiasa/2228.html>  (1995).  Recent Evolutionary Theorizing About Economic Change.   IIASA Research Report (Reprint). IIASA, Laxenburg, Austria: RR-96-005. Reprinted from Journal of Economic Literature, XXXIII:48-90 [March 1995].