The use of proxy variables to control for unobservables when estimating a production function has become increasingly popular in empirical works in recent years. The present paper aims to contribute to this literature in three important ways. First, we provide a structured review of the...

We use data of antidepressants prescribed by general practices to investigate the impact of COVID-19 on mental health in England. The challenge we face is to estimate such effect separately from the simultaneous reduction in access to general practice health services caused by the pandemic. For...

We present a Hotelling model of price and advertising competition between prescription drugs that differ in quality/side effects. Promotional effort results in the endogenous formation of two consumer groups: brand loyal and non-brand loyal ones. We show that advertising intensities are...

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...

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 programme. We document how inertia leads customers to relinquish substantial financial gains, with less than a third of...

We study the impact of audits on water conservation, distinguishing between the information and technological components. We observe water consumption for up to 18 months for 10,000 households in the South East of England who received the visit of a so-called Green Doctor. We find that...

Is there any evidence that innovation and technological progress are contained by competition and fostered by monopoly power? Our results based on a newly constructed dataset of US manufacturing industries observed over two decades suggest that this is not the case.On the contrary, using both...

Which kind of intellectual property regime is more favorable to innovation: one that enforces patents or one that does not? Economic theory is unable to answer this question, as valid arguments can be made both for and against patents; hence we must turn to empirical evidence. In this paper, we...