His current research interests include the genetic influence on social behavior, the structure of global trade networks and the structure of Italian politics.

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The main unresolved issues are logistical issues, like salary cap structure and trade clauses that would limit team spending.

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The addition of the spire, and its raising of the building's height to 1, 776 feet, makes One World Trade Center the tallest structure in the U.S. and third-tallest in the world, although building experts dispute whether the spire is actually an antenna a crucial distinction in measuring the building's height.

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It was largely the function of now-obsolete trade union contracts and corporate structure.

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This year the smorgasbord from Iowa to California groaned under all the offerings: flattening the tax structure, abolishing free-trade agreements, limiting the terms of lawmakers, reinventing welfare or health care or public housing or farm subsidies, spending more on defense, cutting this agency or that, restricting immigration.

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Brent Crude even went into backwardation, a market structure in which near-term delivery contracts trade at higher prices than longer-termed contracts on fears that supply will be disrupted for an extended amount of time.

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Their shares trade at a discount to the other Italian banks because of their takeover-resistant structure, and they lack economies of scale.

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Providing performance picks up it could yet become an example of a hedge fund that is capable of making profits year in, year out, with a long-term ownership structure: a formula as elusive as that behind any black-box trade.

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Under construction since 2006, One World Trade Center surpassed the Empire State Building (1, 250 feet) as the city's tallest structure in April.

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