“…Perhaps minorities' biggest constraint is having available fewer people of the same race with whom they can form ties, presenting a structural impediment to the formation of same-race ties. Because same-race ties are likely to be stronger than cross-race ties (Tsui and O'Reilly, 1989; Thomas, 1990), racial minorities are likely to have fewer strong ties within their organization than Whites (Ibarra, 1993(Ibarra, , 1995. To compensate for the relatively low support provided by the predominantly cross-race ties within their own organization, members of minority groups may seek supportive relationships with same-identity-group members from other organizations (Thomas and Alderfer, 1989; Thomas and Higgins, 1996).…”