E. Hardy's lecture on Productivity

The fourth economics lecture from Edgar Hardcastle:

First Part
DOWNLOAD LINK: Productivity (Part 1)

FILE NAME: 43 Productivity.mp3

FILE SIZE: ~56.15 MB megabytes

LENGTH: 1:00:55

Second Part
DOWNLOAD LINK: Productivity (Part 2)

FILE NAME: Productivity - Part Two.mp3

FILE SIZE: ~15.28 MB megabytes

LENGTH: 16:39

Further Reading:

Edgar Hardcastle's Marxist Internet Archive page