The cheese, the rats – and why some of us are poorer than others
In a laboratory in College Station, Texas, in 1990, six lab rats pressed levers and lapped at tubes as root beer and tonic water were released. They were participating in the quest for an elusive quarry: the Giffen good. Robert Giffen was born in Lanarkshire in 1837, the year of Queen Victoria’s accession. He would…
Source: timharford.com