Engel, Christoph Max Planck Institute for Research on Collective Goods, Max Planck Society;
http://papers.ssrn.com/sol3/papers.cfm?abstract_id=2041154 (Any fulltext)
http://www.coll.mpg.de/pdf_dat/2012_07online.pdf (Preprint)
Eisenberg, T., & Engel, C. (2012). Assuring Adequate Deterrence in Tort: A Public Good Experiment.