Before revision:  Furthermore, set-valued and parameter-free M equilibrium envelopes various parametric models based on fixed-points, including QRE as well as a new andcomputationally simpler class of models called \mu Equilibrium .
After revision:  Furthermore, set-valued and parameter-free M equilibrium envelopes various parametric models based on fixed-points, including QRE as well as a new andcomputationally simpler class of models called  Equilibrium .