TY - THES A3 - Cantillo Maza, Victor AU - Amaya Leal, Johanna PY - 2009 UR - http://hdl.handle.net/10584/85 AB - An efficient choice design is characterized by utility balance, that is, the alternatives defined within each choice set have more or less equal choice probabilities. In these cases, respondents should be as nearly indifferent as possible. We propose... LA - eng KW - Encuestas. KW - Toma de decisiones--Modelos matemáticos. KW - Preferencias de los consumidores--Modelos matemáticos TI - Modelling indefference option in stated preference surveys M3 - masterThesis ER -