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2120 final report.pdf - Agra CEAS Consulting

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APPENDIX 2: THIRD COUNTRIESInputsFeed, Labourand OtherEggProductionCagedShelldAlternativeTrade with ThirdCountriesProcessedFigure A3.1: Schematic Diagram of the EDM ModelA3.2.1. Model assumptionsTo implement the EDM we make the following assumptions:1. all sectors are profit maximisers;2. all multi-output production functions are separable in terms of inputs and outputs; and,3. all production functions are characterised by constant returns to scale.These assumptions allow us to characterise an industry allocation problem in two parts: costminimisation and revenue maximisation (Varian, 1994). Zhao et al., (2000a) derive the formaleconomic representation of a multi-input/output industry under these assumptions. Our model isbased upon the same formal structure. We are also assuming that the forces of supply and demanddetermine the price of eggs.A3.2.2. Model definitionsNext we define the variables, parameters and notation used in the modelNotation:Let:c = caged;p = processing; anda = alternative404

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