The City Planning Department and the Municipal Art Society collaborated to upgrade the Jets' proposal with a more rational use of existing streets and facilities.

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And restricting land seizures could help push up the price of land on the periphery of urban areas and encourage a more rational use of existing urban land.

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It is a daily exercise that helps us learn how to use the rational side of our minds when we make shopping decisions.

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Maybe we should dispense with all of the nonsense about dispassionate rational analysis and determine policy via the use of a collective Congressional mood ring.

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For now, coast dwellers are able to use the public's not entirely rational fear of fireballs and environmental impact to block plans for LNG terminals.

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Even the much-maligned figure of rational economic man, maximising his utility, is less an article of faith than an excuse to use calculus.

ECONOMIST: Economics focus