In this video from a 2016 Socialist Appeal day school on Marxist economics, James Kilby compares and contrasts the economic theories of Karl Marx and John Maynard Keynes, and analyses the material conditions and historic factors that led to the "post-war boom" - the 25 year period of capitalism upswing that followed the end of the Second World War.

With modern left-wing leaders such as Jeremy Corbyn being heavily influenced by Keynesian economic ideas, what is the relevance of Marx and Keynes' ideas in this modern epoch of capitalist crisis and age of austerity?