“…Results are ambiguous and often depend on the treatment (e.g., John Solow and Nicole Kirkwood, 2002, and Jean Stockard, Alphons van Kragt and Patricia Dodge, 1988). In a one-shot public good contribution setting, women contributed more than men (Seguino et al, 1996), which is broadly consistent with findings of greater initial cooperation by women that tend to disappear in a repeated setting (Charles Mason, Owen Phillips and Redington, 1991; Andreas 2 The terminology is from Gilligan and Attanucci (1988). 3 The ambiguity of the findings agrees with the complex picture also emerging from dictator and ultimatum games (Andreoni and Vesterlund, 2001; Eckel and Grossman, 2001; Avner Ben-Ner, Famnin Kong, Louis Putternam, 2004a; Ben-Ner, Putternam, Kong and Dan Magan, 2004b).…”