Elasticities of Food Demand in Germany – A Demand System Analysis Using Disaggregated Household Scanner Data

Jonas Peltner and Silke Thiele

German Journal of Agricultural Economics, 2021, vol. 70, issue 01

Abstract: This paper presents price and income elasticities of food demand for Germany. Using disaggregated household scanner data and the Quadratic Almost Ideal Demand System (QUAIDS). The QUAIDS is modified to account for censoring and include house-hold demographics. Furthermore, a two-stage budget-ing approach is used to more accurately reflect households’ purchasing behaviour. Having disaggre-gated data also allowed to include convenience as-pects into the demand system. High expenditure elas-ticities are found for fruits and nuts and meat, fish and eggs. The highest own-price elasticity is found for beverages. At the second stage, the bread toppings group reveals new insights into demand relations between cold cuts, cheese and other spreads. Cold cuts have both the highest expenditure and own-price elasticity. Cross-price elasticities indicate mostly complementary relations between cold cuts and other bread toppings. Comparing different income groups shows that expenditure elasticities of raw foods or basic ingredient foods tend to decrease as income increases, whereas expenditure elasticities of foods that require minimal or no preparation tend to in-crease with income. In conclusion, this study stresses the need for regularly updated elasticities of food demand that reflect up-to-date consumption behavior.

Keywords: Consumer/Household Economics; Food Consumption/Nutrition/Food Safety; Food Security and Poverty (search for similar items in EconPapers)
Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:ags:gjagec:343287

DOI: 10.22004/ag.econ.343287

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