Welcome

I am a political scientist at the University of Konstanz in Germany (postdoctoral fellow at the Zukunftskolleg and independent researcher at the Department of Politics and Public Administration). In Konstanz, I am heading the project group on "Advances in Discourse Network Analysis". I am also a postdoctoral researcher at the Swiss Federal Institute of Aquatic Science and Technology (Eawag), which is located in Dübendorf close to Zurich and belongs to the ETH domain, and a member of the Policy Analysis and Environmental Governance (PEGO) group at the Institute of Political Science, University of Bern, Switzerland.

My research is mainly about political networks and computational politics, with applications in public policy and in European and American politics. I developed a Java-based software called Discourse Network Analyzer (DNA) in order to analyze policy debates or political discourse among relevant political actors in a dynamic way, drawing upon methods of social network analysis.

My current activities include the further development of the methodology of discourse network analysis, the application of (temporal and cross-sectional) exponential random graph models (ERGM) to research questions in political science, the implementation of TERGMs in a package called xergm for the statistical computing environment R, the development of an R package called texreg for the conversion of statistical model output in R to LaTeX and HTML tables, and the analysis of policy networks in the European (and particularly Swiss) water sector.

I regularly teach in the POLNET summer school or fall academy (registration open to external participants who want to learn network analysis). In 2013, I taught two methodological PhD seminars: "Introduction to the Statistical Computing Environment R" (Zeppelin University Graduate School, Friedrichshafen) and "Advanced Network Analysis: The Analysis of Cognitive Structures" (PhD Program Politics and Public Administration, University of Konstanz). In the spring semester 2014, I taught a PhD and MA seminar called "Introduction to Network Analysis" at the Zeppelin University Graduate School.

Please take a look at my publications, teaching and software pages to learn more.

News

September 9, 2014

New article in JPART

My article on influence reputation in policy networks (with Karin Ingold) was accepted for publication in the Journal of Public Administration Research and Theory. See publications page.

 

August 7, 2014

xergm: Temporal Network Autocorrelation Models

I have implemented Temporal Network Autocorrelation Models (TNAM) in the xergm package for R. The new version of the package was released on CRAN. The package can also estimate Temporal Exponential Random Graph Models (TERGM) by Bootstrapped Pseudolikelihood.

 

July 3, 2014

Best paper award at EUSN

I have won the award for the best paper of an early career scholar at the 1st European Conference on Social Networks (EUSN 2014). Title of the paper: "National Parliamentary Coordination after Lisbon. A Network Approach" (joint work with Thomas Malang).

by Webdesign Leifeld

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