7Anderson, E., 1985, "The Salesperson as Outside Agent or Employee: A Transaction Cost Analysis", Marketing Science, vol.4 ( 3 ), pp.234-254.
8Alhle, J. M., 1996, "Efficient Food Safety Regulation in the Food Manufacturing Sector", American Journal of Agricultur- al Economics, vol.78, pp. 1242- 1247.
9Bachev, H., 2012, "Modes, Challenges and Opportunities for Risk Management in Modern Agri-Food Chains" , The IUP Journal of Supply Chain Management, Vol. IX ( 3 ), pp.24N51.
10Balakrishnan, S. and Wernerfelt, B., 1986, "Technologi- cal Change, Competition and Vertical Integration" , Strategic Man- agement Journal, vol.7 , pp.347-359.