Tulshyan points to the work of Joan Williams and Marina Multhaup, which indicates that managers can play a vital role in encouraging equal distribution of low and high promotability tasks.
Lakhani, Karim R., Hila Lifshitz-Assaf, and Michael L. Tushman. "Open Innovation and Organizational Boundaries: Task Decomposition, Knowledge Distribution and the Locus of Innovation." Chap. 19 in ...