An analysis based on surveys in which respondents make choices where they give up some benefits in order to receive others. See conjoint analysis. Wittink and Bergestuem (2001) discuss trade-off analysis.
Wittink, D. R. & T. Bergestuen (2001), “Forecasting
with conjoint analysis,” in J. S. Armstrong (ed.), Principles of
Forecasting. Norwell, MA: Kluwer Academic Press.