behavioral theory as well as to the practice of government policies. TOC:Introduction.- Theory.- Empirical Basis.- Data …

. Complete information equilibrium outcomes are shown to be characterized by a \emph{stability} condition that is adapted to the … \emph{institutional constraints} of the German system. I introduce \emph{matching problems with complex constraints} and the … notion of \emph{procedural stability}. Two simple assumptions guarantee existence of a student optimal procedurally stable …