BaumolW. J.IdeE. A., “Variety in Retailing,”Management Services, 3, No. 1 (1956) KotlerP., “Phasing Out Weak Products,”Harvard Business Review, 43 (March-April 1965), 107–118. CorriganJ. J.GargiuloG. R., “Practical Application of Marginal Analysis to Problems of Product Line Variety,”Proceedings of Eleventh Annual Meeting, Institute of Management Science (March 12–14, 1964). OxenfeldtA. R., “Product Line Pricing,”Harvard Business Review, 44 (July-August 1966), 137–144.
2.
ManneA. S., “Plant Location Under Economics-of-Scale-Decentralization and Computation,”Management Sciences, 11 (November 1964), 213–235. ReiterS.ShermanG. R., “Allocating Indivisible Resources Affording External Economies or Diseconomies,”International Economic Review (January 1962).