Society for Policy Modeling(SPM)
"The Society for Policy Modeling is a permanent study group of scholars
and researchers from universities, research institutions and
international organizations promoting the application of analytical
tools to national and international policy questions. A main purpose of
the Society is to channel research efforts from all disciplines into an
integrated study of global problems and policy issues using
quantitative tools of analysis in a formal modeling framework." They
sponsor the journal "Policy Modeling" and sessions at the ASSA.
http://www.journalofpolicymodels.com/society.shtml