2015
FOODOPS 2015 Proceeding
Dynamic freight flow modelling for risk evaluation in food supply
Authors: Andreas Balster, Hanno Friedrich
Abstract
The research presented in the paper defines a new dynamic model of food supply. The model includes 51 food categories including four different temperature ranges. It differentiates between the different actors in a supply chain food producers, food retailers, wholesalers, logistics service providers, and the consumer. It works on an aggregate level of 402 regions within Germany as well as the most important trading nations. In the model, inventories for every food category, every group of actors, and every region are recorded in a single data cube. This data cube is recalculated incrementally every day, considering the production, relocation of food products, and consumption. Gravity models calibrated with data of the Federal Transport Plan generate the aggregate commodity flows between the regions. A detailed sectorial input output model for food is calculated for the year 2012 based on data from public authorities, food-related associations, and professional data providers.
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