Presents a classroom exercise which illustrates consumer equilibrium, the equimarginal principle, indifference curves, and income and substitution effects. States that students gain a better consumer equilibrium by linking together these elements of economic analysis. (GEA)

Discusses a study undertaken by the Nottingham University Consumer Study Group to determine market operation for popular convenience foods in England. Information is presented on distribution of purchases, brand loyalties of respondents to a questionnaire regarding convenience foods, and market fluctuation due to inflation. (Author/DB)