This paper shows that in the 2000s unions in the UK and US made innovative use of the Internet to deliver union services and move toward open source unions better suited for the modern world than traditional union structures. In contrast to analysts who see unions as being on an inexorable path...

This paper examines how measurement error biases longitudinal estimates of union effects. It develops numerical examples, statistical models, and econometric estimates which indicate that measurement error is a major problem in longitudinal data sets, so that longitudinal analyses do not provide...

The purpose of this paper is to examine these concerns and evaluate the use of job satisfaction (and other subjective variables) in labor market analysis. The main theme is that, while there are good reasons to treat subjective variables gingerly, the answers to questions about how people feel...