Qualitative choice analysis : theory, econometrics, and an application to automobile demand / Kenneth Train. Train, Kenneth. Automobiles Purchasing Mathematical models. HD9710.A2 T73 1986 338.47 19 TRQ Includes bibliographical references and index. Cambridge, Mass. : MIT Press, c1986. c1986. 1986 Text xviii, 252 p. : eng MIT Press series in transportation studies ; 10