Technological Change, Wages and Firm Size
The authors model a corporate firm in a competitive market setting, consisting of a production technology, a hierarchical organization structure, a cost efficiency parameter, and an internal pay-system. Using CES-production technologies, the authors illustrate how firm size depends on labor substitutability, and show that a linear technology yields the deepest organization structure, and complementarity between workers yields the flattest structure.
Link
http://www.tilburguniversity.nl/tilec/publications/discussionpapers/2005-022.pdf