[1] Univ North Carolina Charlotte, Org Sci, 9201 Univ City Blvd, Charlotte, NC 28223 USA
[2] Univ Zurich, Dept Business Adm, Ramistr 71, CH-8006 Zurich, Switzerland
[3] Univ North Carolina Charlotte, Belk Coll Business, 9201 Univ City Blvd, Charlotte, NC 28223 USA