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Spatial models whose weighting matrices have blocks of equal elements might be considered if units are viewed as equally distant within certain neighborhoods, but unrelated between neighborhoods. We g...
This paper presents a framework for universal health insurance that builds on the current U.S. mixed private-public system by expanding group coverage through private markets and publicly sponsored in...
For Adam Smith, wealth was related to the division of labor. As people and firms specialize in different activities, economic efficiency increases, suggesting that development is associated with an in...

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