Browsing again "Michael Hudson and Baruch Levine, eds, Privatization in the Ancient Near East and Classical World, Cambridge MA: Peabody Museum of Archaeology and Ethnology", I found this 2013 article which discusses Karl Polanyi's ideas in conjunction with the ideas from the above seminar. This is the first of the five seminars edited by Michael Hudson and others. The last and fifth one on the origins of labour was linked earlier.
Marketless Trading in Hammurabi’s Time’: A re- appraisal
Gareth Dale’s work on Karl Polanyi reviews here by Robert Kuttner in The NewYork Review of Books TheMan from Red Vienna