I am trying to determine first if discussion and debate on production theory, or "the economics of production," has actually (as it seems to me it has) ceased in most economics journals and curricula, at least in English; second, if it has ceased, almost entirely, except in the American Journal of Agricultural Economics, do students learn this theory (or at least learn about it) in other words or terms, in articles or courses on other subjects; third, if it has ceased, when do economists figure that happened, after the Solow-Griliches-Jorgenson-Denison debate, or after Georgescu-Roegen's reformulation, or later? John Womack