Hi Olaf!

Of course, all the known caveats of comparing logistic regression across different studies apply for ERGMs, too.

Allison, Paul. 1999. Comparing Logit and Probit Coefficients Across Groups. Sociological Methods and Research 28(2): 186-208.
Long, J. S. (2009). Group comparisons in logit and probit using predicted probabilities. Department of Sociology, University of Indiana. Unpublished manuscript. http://www.indiana.edu/~jslsoc/files_research/groupdif/groupwithprobabilities/groups-with-prob-2009-06-25.pdf
Hoetker, G. (2007). The use of logit and probit models in strategic management research: Critical issues. Strategic Management Journal, 28(4), 331-343.
Williams, Richard. 2009. Using Heterogeneous Choice Models to Compare Logit and Probit Coefficients across Groups. Sociological Methods & Research 37(4): 531-559.

Just to mention a few papers. I am not aware of a systematic treatment of these issues for ERGMs, but would appreciate any information!

Best regards, Christian

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