“…However, as the literature on alliance performance suggests that there is a negative side of relying on familiar partners and that the synergistic potential of the relationship with specific partners is limited, future research should analyze when and how firms must put an end to their alliances. Recent research on alliance portfolios (Wassmer, 2010;Srivastava et al, 2011;Lavie and Singh, 2012;Castro et al, 2014;Kim et al, 2015;Park et al, 2015) could be developed to accomplish this goal.…”