Dr. Ratner is a renowned cultural experience who has made original contributions to the field of cultural psychology. He has published 6 books in the field (three by Springer) along with numerous articles. He has travelled extensively internationally, having lived in China for two years, and 5 months in India at the prestigious Nehru University in New Delhi.

• Introduction To The Praxis of Cooperative Behavior.- General Aspects of Cooperation That Potentiate But Do Not Determine Concrete Cooperation.- The Dialectical Relation between Cooperation and Capitalism: Cooperation Before, During, and After The Advent of Capitalism.- Historical Roots Of Contemporary Cooperatives.- Cooperatives’ March To Modernity: Market-oriented, Apolitical Cooperation.- Cooperation in Practice: Successes and Shortcomings of The International Cooperative Movement Today.- Explaining Co-op Weaknesses In Terms of The Dominant  Cooperative Paradigm.- An Enriched, Viable, Necessary Cooperative Paradigm for Our Era.

From the reviews: "Ratner (Institute for Cultural Research and Education) proposes that the solutions to the world problems lie within the communal roots of cooperative behaviors. He argues for a social paradigm shift, positioning cooperation as a broad praxis rooted in various social sciences. ... Ratner's book is educational and stimulating. Summing Up: Recommended. Upper-division undergraduates through faculty and professionals." (I. I. Katzarska-Miller, Choice, Vol. 50 (9), May, 2013)