A theory of the perturbed consumer with general budgets
---- Acknowledgements ----
Mogens Fosgerau has received support from the Danish Strategic Research Council, and Daniel McFadden has received support from the E. Morris Cox fund at the University of California, Berkeley, the Presidential fund at USC, and National Institute on Aging (NIA) grants No. P01 AG005842 to the NBER and No. RC4 AG039036 to USC The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.