"Good engineering is characterized by gradual, stepwise refinement of products that yields increased performance under given constraints and with given resources."

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I find it remarkable that virtually all of the large difference in labor supply between France and the United States is due to differences in tax systems. I expected institutional constraints on the operation of labor markets and the nature of the unemployment benefit system to be more important. I was surprised that the welfare gain from reducing the intratemporal tax wedge is so large.

— Edward C. Prescott