The income elasticity of calories generally is substantially smaller than the income elasticity of food expenditure. One reason may be an increasing concern for food variety as incomes increase. Food variety can be linked with two characteristics of food indifference curves: (1) curvature and...

A local governmental welfare function is specified to explore two of its central characteristics: the equity-productivity trade-off and differential weights across neighborhoods. The constrained maximization model is estimated using service outcomes (safety) in the welfare function, as opposed...