What use is 'polycrisis' to an analysis of capitalism?

What would David Harvey have to say to polycrisis liberals who are disoriented?
Brilliant essay by @cacrisalves.bsky.social offering an analysis of the foundations of economic life & madness of economic reason
www.versobooks.com/blogs/news/p...

David Harvey (@davidharvey.org) recuerda toda una vida de encuentros, intelectuales y reales, con el enigmático Piero Sraffa

Tras las huellas de Sraffa ➡️ newleftreview.es/issues/152/a...

The American empire that has sheltered capital for so long is starting to crack. This is a moment of opportunity as well as of peril. A little bit of optimism of the intellect is called for, if only to jump-start the optimism of the will.

newleftreview.org/issues/ii152...

and to people, events and political currents that open doors to new ways of thinking, hopefully more adequate to confront the central contradictions of our times. It is, however, one thing to open doors but quite another to pass through en masse, to explore what might exist on the other side.

My first Capital v1 course has Spanish subtitles on YouTube, thanks to our volunteer translation project.

davidharvey.org/reading-capi...

I've made 7 free online courses to help you read Karl Marx:

Reading Marx's Capital v1 (2019 & 2007 eds)
Reading Marx's Capital v2
Reading Marx's Grundrisse (2023 & 2020 eds)
Marx, Capital, & the Madness of Economic Reason
The ABC of Contemporary Capital

davidharvey.org/reading-capi...

The net effect is that neoclassical economic modeling is circular and tautological. And Sraffa proved it so. [4/4]

newleftreview.org/issues/ii152...

In other words the neoclassical production function rests on a tautology. But, said Robinson, “before the economist gets round to posing questions about this, he has become a professor, and so sloppy habits of thought are handed on from one generation to the next.” [3/4]

When capital is in money form there is no problem, but capital also consists of a heterogeneous stock of use values (e.g., machinery, plant and equipment) whose value cannot be established without invoking their impact on the value of Q. [2/4]