Editor ’ s Letter
This issue of the Journal of Policy and Complex Systems includes an extended version of eight papers selected from those presented at the Complexity and Policy Studies conference held on April 15-17 , 2019 in Washington ,
DC . Two regular papers complete the issue .
These papers offer a modeling approach to a range of policy issues , ranging from conflict ( Kaufman , Kaufman , & Diep — multi-group conflict ; Salami & Karp — Kurdish conflict ), business ( Ogibayashi — reproducing business cycles and evaluating effects of tax reductions ; Morales-Martinez & Lee — effects of immigration on the US economy ; Wilson — evaluating healthcare systems ), and child sex trafficking ( Khataera — targeting demand versus supply ) to social capital ( Frieson — dynamics of critical realism ), law ( Moskaleva & Zohdy — unintended consequences of legal reforms ), and theoretical and methodology considerations ( Goode & Pires — error reasoning in complex systems ; Davis — modeling uncertainty in policy analysis ).
This range of methodological considerations and applications in various domains attests the health of the field of complexity-driven policy . The Journal of Policy and Complex Systems continues its effort to build this new discipline at the intersection of policy and complexity . Current events in politics , technological innovations , and business cycles provide the best justification for the advent of this interdisciplinary field .
We encourage potential authors to submit their contributions to the Journal of Policy and Complex Systems and help us build a discipline that can address the challenges of the changing world .
Best regards ,
Journal on Policy and Complex Systems • Volume 5 , Number 2 • Fall 2019
Mirsad Hadžikadić Editor , Journal of Policy and Complex Systems
Este número de Journal of Policy and Complex Systems incluye una versión
extendida de ocho documentos seleccionados de los presentados en la conferencia Complexity and Policy Studies llevada a cabo los días 15 y 17 de abril de 2019 en Washington DC . Dos documentos regulares completan el tema .
Estos documentos ofrecen un enfoque de modelado para una variedad de cuestiones de política , que van desde conflictos ( Kaufman , Kaufman y Diep - conflicto multigrupo ; Salami y Karp - conflicto kurdo ), negocios ( Ogibayashi - reproducción de ciclos comerciales y evaluación de los efectos de las reducciones imposi-
1 doi : 10.18278 / jpcs . 5.2.1