Maintenance: On Thursday, June 28 2018, 18:00-18:15, maintenance work on the ZORA servers is scheduled. ZORA will not be available during this period. Thank you for your patience.
Engelmann, Dirk; Fischbacher, Urs (2002). Indirect Reciprocity and Strategic Reputation Building in an Experimental Helping Game. Working paper series / Institute for Empirical Research in Economics No. 132, University of Zurich.