The first criterion for asset class inclusion is that an investment under consideration be quantifiably different from all other investments.

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The first criterion is revenue growth.

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If contemporary opera is to begin to thrive, it needs first of all the full theatres which were Verdi's criterion for success.

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The final criterion applied to Tier 2 and Tier 3 cities in which housing prices rose significantly in the first six months of 2011.

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