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...

Using new job requirements data for Britain I show that there has been a rise in various forms of communication tasks: influencing and literacy tasks have grown especially fast, as have self-planning tasks. External communication tasks, and numerical tasks have also become more important, but...