All posts by cjr

Immanuel Wallerstein, 1930-2019

Immanuel Wallerstein passed away on August 31, 2019 at the age of 88. As the founder of world-systems theory and author of hundreds of articles and commentaries and dozens of books, including his four-volume magnum opus, The Modern World-System, Wallerstein’s research exemplified the methodology of comparative analysis and was a cornerstone in the development of QCA.

APSA Report on Transparency in Set-Analytic Research

As part of the American Political Science Association’s recent deliberations regarding transparency in empirical research and with input from the many members of the COMPASSS community, Carsten Schneider, Barbara Vis, and Kendra Kovu drafted a report on transparency in STM/CCM research for the Organized Section for Qualitative and Multi-Method Research. A link to the full report is available on SSRN at A summary of the report is also available at