I investigate possible explanations for work intensification, using four British data sets. I conjecture that an important source of work intensification is effort-biased technical change (EBTC), which enhances the productivity of high effort workers relative to that of low effort workers. EBTC...

We analyze the effect of patent thickets on entry into technology areas by firms in the UK. We present a model that describes incentives to enter technology areas characterized by varying technological opportunity, complexity of technology, and the potential for hold‐up in patent thickets. We...