Trade theories based on increasing returns have two predictions for regional economies: employment concentrates in industry centers and regional nominal wages are decreasing in transport costs to industry centers. The author tests these hypotheses using data on regional manufacturing in Mexico...

Transfer payments to poor families are increasingly conditioned on work. Although the effects of such programmes on employment are fairly well understood, relatively little is known about their effects on marriage or child well-being. We review a few studies that provide such information here....