The key difference between signalling and human capital models is that signalling models allow firms to draw inferences about unobserved characteristics of workers. Those inferences can be based on the schooling or work experience of workers, or on direct measures of some aspects of job...

[Joseph Stiglitz was a member of the Council of Economic Advisers from 1993-95, and chairman of the CEA from 1995 through February 1997.] Today, I want to share with you some of my thoughts about the possibilities and limitations of government. These thoughts are focused around a simple...

Does the deviation of unemployment from some natural rate provide a robust and useful way to predict changes in the inflation rate? Can economists explain why the NAIRU changes over time? Is the NAIRU a useful way to frame policy discussions despite the uncertainty surrounding its precise level?...

I welcome the opportunity to join in the celebration of the twenty-fifth birthday of the <em>Journal of Economic Perspectives</em>. It is wonderful to see how this "baby," which I, along with Carl Shapiro and Timothy Taylor, nurtured through its formative years—from 1984 (three years before the first...

It is widely believed that the failure of the socialist experiment should have had a devastating effect on radical economics. Yet radical economics is not only alive and well, but flourishing. Years before the official demise of Marxist-socialism, they had broadened their critique of standard...

The purpose of this paper is to describe one strand of New Keynesian literature which explores how increased flexibility of wages and prices might exacerbate the economy's downturn, and to contrast it with other strands of New Keynesian literature. This strand of literature holds that even if...