“…Recruiting volunteers who are prepared to make a long-term commitment is now a major problem for about 40% of all Swiss sports clubs, and for 10%, it is even a threat to their continued existence (Lamprecht, Fischer, & Stamm, 2011). Similar problems in volunteering have also been reported in other countries such as Australia (Cuskelly, 2005), Belgium (Scheerder & Vos, 2010), Germany (Braun, 2011) or Great Britain (Taylor, 2004).This indicates the need to ask how volunteering in sports clubs can be promoted effectively. Because many determinants of volunteering on the individual level cannot be modified by managers of sports clubs, it is necessary to identify those that can be changed.…”