Most hauliers now suffer labour turnover of 100% a year.

ECONOMIST: American railways

After introducing rest breaks and other improvements in working conditions, Mayo and his colleagues found that within a year the labour turnover rate fell to the average elsewhere in the company.

ECONOMIST: Guru

One department of a spinning mill in Philadelphia had a labour turnover rate of 250% that is, nobody stayed in a job for more than five months while the average for other parts of the company was 6%.

ECONOMIST: Guru