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# Tag Info

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The best way is taking the index "ingredients" and rebuild it... assuming you manage the index data on a DB or on an excel file, that should not be too difficult Otherwise, assuming you're index ingredients are averaged equally, then in a sense, the index is calculated as: Index = (1 + Product1ChangeIn%)^(1/9) * (1 + Product2ChangeIn%)^(1/9) ... So based ...

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No, you want to re-scale proportionally, so you want to solve the equation $115.9x=100$, so that $x=100/115.9$ and then multiply each value by $x$. The value for 1997, for example, should be 86.3 (after rounding).

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Note that $Q_i P_i$ is the total revenue from good $i$. So dividing total revenue from all goods by the amount produced of all of them should give us something like "average revenue per item produced"?

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Because of the Law of One Price, identical products are supposed to cost the same in different places. Since McDonald's applies standards for all the individual franchisees, the product is supposed to be identical even if it isn't perfectly identical. The law assumes there are no transportation costs. If lower costs exist in one place and there are no ...

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