New indicators of technical change based on titles included in the catalogue of the Library of Congress and on Amazon.com's website are presented along with evidence that they do capture technological innovation. The indicators are used to chart the pattern and nature of technical change over...

This paper investigates whether a limited participation model with imperfectly observed effort can reproduce the economy's responses to a monetary policy shock without appealing to high labour supply elasticities or high markups. The results demonstrate that the presence of imperfectly observed...

The relationship between growth and unemployment in a general equilibrium shirking efficiency wage model is explored. In contrast to past work on this subject, detected shirkers are not dismissed but instead incur a monetary punishment. As a result of this modification, the model can account for...