“…The core, however, still remained a utility maximizing agent (Pareto, 1971; Hicks and Allen, 1934; Hicks, 1946). The subsequent introduction of Revealed Preference theory by Samuelson which attempted to give consumer theory an even more objective basis, did not break the basic connections with the marginalist formulations (see Samuelson, 1963; but also Georgescu-Roegen, 1966;and Wong, 1978).…”