prov:value
| - l the hypothetical miscellaneous staple commodity 'M' (e.g., M is an aggregate of C, S, T, U, etc.).Example of Shock TestingAssume that the total sales, P, of petroleum products can be described by the linear function of the quantities B, G, and M, which are functions of the prices of those respective commodities.P = aPG B + aPG G + aPM MThen where B, G, and M are functions of the prices of beef,
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