Ed Nell, who shared his signed copy of PCMC The whole Zoominar can be watched at the Review of Keynesian Economics' (ROKE) Facebook page here. It starts early with the live-stream, you can jump to minute 49 or so and watch from the onward.
Matias Vernengo considers the following as important: Nell, Palumbo, Production of Commodities, ROKE, Serrano, Sraffa
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