You can get the slides for the talk here.
Marc Lavoie is the author of these important books (one with Wynne Godley) on Post Keynesian economics:
Lavoie, Marc. 1994. Foundations of Post-Keynesian Economic Analysis. Edward Elgar Publishing.
Godley, W. and M. Lavoie. 2007. Monetary Economics: An Integrated Approach to Credit, Money, Income, Production and Wealth. Palgrave Macmillan, Basingstoke, England and New York.
Lavoie, Marc. 2009. An Introduction to Post-Keynesian Economics (rev. edn), Palgrave Macmillan, Basingstoke.