This paper explores the main determinants of productivity growth. The analysis is performed using Spanish firm-level data. We define a framework where the relative magnitudes of alternative, but not exclusive, sources of technical change is simultaneously estimated. Our main finding is that...

We study adoption by more than 150,000 households of an optional transitional water tariff implemented in the South-East of England in conjunction with an universal metering pro-gramme. We document how inertia leads customers to relinquish substantial financial gains, with less than a third of...