Airport time slots are currently awarded by historic use, with only small number reserved for new entrants. This hampers competition, promotes inefficient slot utilisation, and contributes to congestion. This column revisits the idea of carefully auctioning time slots at congested airports in...

"Instead of outbidding each other and driving prices up," on 25 March, the 27 EU nations decided to "pool [their] purchasing power" for the "voluntary common purchase of gas". In short, they decided to form a buyers' cartel. So far, difficulties have been identified, but what is needed is a...