Absences in Chicago Public High Schools are 3-7 days per year higher in first period than at other times of the day. This study exploits this empirical regularity and the essentially random variation between students in the ordering of classes over the day to measure how the returns to classroom...

The effect of exports on occupational demand is estimated. The notions of absorption and dissipating industries are introduced. Absorption industries form economic clusters that provide a mechanism to help explain the nature of regional changes as a result of the changes in exports

The metropolitan economy of Chicago has experienced a significant transformation in its economic structure over the past twenty years. Using a method for extraction of input–output tables that has been described elsewhere, it has been possible to produce an economic photograph of the Chicago...