In a recent paper, we found that bilateral trade between European countries depends positively on the probability that two randomly chosen individuals, one from each country, would be able to communicate with each other in English.

ECONOMIST: South Korea's debt

The case for global investment in basic education (we need at least two million more teachers and four million classrooms) is not just that individuals will benefit from educational opportunity but that countries will too.

CNN: Without frontiers, young people mobilize for change

What we have found out so far about phone hacking is that during a period of at least two years, hundreds of individuals had their details collected by a private investigator at the request of journalists.

CNN: Opinion: Why journalists need public interest defense