The effects of advertising are examined in a dynamic almost ideal demand system, applied to weekly demands for six fresh-vegetable groups in Norway. A number of restrictions regarding dynamics, advertising, homogeneity, symmetry and seasonality are tested. The static almost ideal demand system...

Structural change in the consumption of four meats and fish is investigated. A GARP test does not reject the hypothesis that a stable set of consumers' preferences could have generated the data. However, since the power of this test may not be sufficient to detect structural change, a dynamic...