TY - JOUR AU - Hoernig,S AU - Valletti,T DO - 10.2202/1935-1704.1826 PY - 2011/// SN - 1555-0478 TI - When two-part tariffs are not enough: Mixing with nonlinear pricing T2 - B.E. Journal of Theoretical Economics UR - http://dx.doi.org/10.2202/1935-1704.1826 VL - 11 ER -