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Factors Affecting the Timing of Purchasing of Butter, Margarine, and Blends: A Competing Goods Analysis

The purchase dynamics of a subset of food fats and oils are investigated using event-history analysis applied to a panel of U.S. households. The consumer behavior examined is the switching between purchases of butter, margarine, and butter/margarine blends across purchase occasions. We find that price, previous purchases, seasonality, and household size and composition affect product-switching probability. Copyright 1998, Oxford University Press.