"For a variety of reasons described in the paper, improving the performance of urban school districts is more difficult today than it was several decades ago. Yet economic and social changes make performance improvement especially important today. Two quite different bodies of research provide...

For a variety of reasons described in the paper, improving the performance of urban school districts is more difficult today than it was several decades ago. Yet economic and social changes make performance improvement especially important today. Two quite different bodies of research provide...

For a variety of reasons described in the paper, improving the performance of urban school districts is more difficult today than it was several decades ago. Yet economic and social changes make performance improvement especially important today. Two quite different bodies of research provide...

We apply an understanding of what computers do -- the execution of procedural or rules-based logic -- to study how computer technology alters job skill demands. We contend that computer capital (1) substitutes for a limited and well-defined set of human activities, those involving routine...

Many empirical studies document a positive correlation between workplace computerization and the employment of skilled labor in production. Does this mean that computers necessarily substitute for the tasks performed by less educated workers and complement the tasks performed by more educated...

We apply an understanding of what computers do-the execution of procedural or rules-based logic-to study how computer technology alters job skill demands. We contend that computer capital (1) substitutes for workers in carrying out a limited and well-defined set of cognitive and manual...