Li, Chung-Lun; Kouvelis, Panos - In: Management Science 45 (1999) 10, pp. 1378-1398
purchase amount over a given period of time without specifying the exact time of purchase. Other than time flexibility, the … suppliers may offer "quantity flexibility" to the firm as well, i.e., purchase quantities could be within a prespecified … the exploitation of quantity flexibility in such contracts. Our discussion illustrates how time flexibility, quantity …