Written by: Esteban Ortiz-Ospina and Charlie Giattino Published by: World Economic Forum MBA News Digest Comment: None. Extracted Content: The available data shows that in the 19th century people across the world used to work extremely long hours, but in the last 150 years working hours have decreased substantially, particularly in today’s richest countries. Click Here to … [Read more...] about These charts show how our working hours have changed