Adam Smit, Karl Marx and John Maynard Keynes

Adam Smith

Adam Smith emphasized the importance of three interrelated things: 

1) Division of labour 

2) Free trade and

3) Limited role of the government.

Watch this video on Adam Smith

Karl Marx

Karl Marx believed that labour is the source of all value, but, workers are only paid enough to survive.

Watch this video of Karl Marx and alienation.

John Maynard Keynes

John Maynard Keynes main believe was that level of economic activity is determined by the aggregate demand of goods and services.

Watch this video on Keynes.