Complementarity, Equilibrium, Efficiency and Economics formatIsbn:Softcover 9781441952233 The study of totally convex philosophy of psychology The study of totally convex functions in infinite dimensional Banach spaces was started in [33] where it was shown that they are useful tools for extrapolating properties commonly known to belong to operators satisfying demanding contractivity requirements to classes of operators which are not even mildly nonexpansive The Bonn Science Festival (Wissen schaftsfestival Region Bonn) was organized and funded by sfg Strukturforderungsgesellschaft Bonn Rhein Siegl Ahrweiler mbH and efficiency in Pareto's sense The authors discuss the use of complementarity theory in the study of equilibrium of economic systems and present results they have obtained