1. Equilibrium structures in vertical oligopoly;Abiru;Journal of Economic Behavior and Organization,1998
2. Firms’ use of outside contractors;Abraham;Journal of Labor Economics,1996
3. Vertical separation;Bonanno;Journal of Industrial Economics,1988
4. Vertical disintegration;Chen;Journal of Economics and Management Strategy,2005
5. Trade liberalization and strategic outsourcing;Chen;Journal of International Economics,2004