Harford is a behavioural economist who writes for the UK Financial Times.
TIM HARFORD: We may have to start drawing distinctions that make us squirm
TIM HARFORD: Lessons on health and help from a bloody tarmac
TIM HARFORD: Serological surveys are vital for determining end of lockdown
TIM HARFORD: Shutting down growth not the only solution to tackling climate change
TIM HARFORD: Simply stopping time may avoid the Humpty Dumpty effect