Lifelong learning becomes increasingly important in times of population ageing, but little is known about the returns to adult education or the effectiveness of government attempts to promote adult learning. This paper evaluates the effects of a large-scale randomized field experiment with...

We estimate the effect of broadband infrastructure, which enables high-speed internet, on economic growth in the panel of OECD countries in 1996-2007. Our instrumental-variable model derives its non-linear first stage from a logistic diffusion model where pre-existing voice-telephony and...