As I noted in my Nobel lecture, an early insight in my work on the economics of information concerned the problem of appropriability - the difficulty that those who pay for information have in getting returns.

I recognized that information was, in many respects, like a public good, and it was this insight that made it clear to me that it was unlikely that the private market would provide efficient resource allocations whenever information was endogenous.

My teachers helped guide and motivate me; but the responsibility of learning was left with me, an approach to learning which was later reinforced by my experiences at Amherst.

If Trump actually wants to help those who have been left behind, he must go beyond the ideological battles of the past.

To be labeled a 'science-denier' in 2017 often just means you've upset someone who insists on teaching strict, Darwinian orthodoxy in schools or who advocates particular climate legislation or who supports ethically fraught research on embryos.

I think about sustainability all the time, whether it's with fish or farmers in Eastern Oregon.

I believe we should celebrate new possibilities of combining the printed codex with electronic technology... The information ecology is getting richer, not thinner.

I really believe in the environmental movement right now - it only takes a little effort to make a big difference.