The periodically optimal order policies for demand affected by backlogged time length

• Main Authors: Jiin-Sung Wu, 吳錦松
• Other Authors: Miao-Sheng Chen
• Format: Others
• Language: zh-TW
• Published: 1995
• Online Access: http://ndltd.ncl.edu.tw/handle/46944207332240589339

博士 === 淡江大學 === 管理科學研究所 === 83 === When a customer fails to find the desired products, the shopkeeper will tell him to wait for a certain period of time before the products become available. Some customers might be willing to wait or to delay his demand for the products if the shortage does not last long. Other customers, under the same circumstance, might turn to another store owing to waiting. The degree of customer''s tolerance for such a delay is closely related to the length of the waiting period. In general, the ratio of the demand of customers volunteering wait during shortage out of the total demand will increase in pace with the reduction of the waiting time. As the customer''s purchase desire affected by the waiting time, the shopkeeper will decide the optimal temporary cycle and the volume of purchase in each cycle so as to attain the maximum desired profits during the period from per unit time, which are the key-points that we try to probe into in this thesis. To make the study more concrete and its result more applicable to a wider range of occasions, we take account of three orientations: (1) Commodity attributes: Commodities of complete pre-purchase or non-complete pre-purchase in attributes. (2) Objective attributes:Among the maximum short-term profitability, or maximum long-term profitability, which is most preferable. (3) Inventory strategies selected by the supplier: The strategy of complete shortage, the strategy of zero shortage or the strategy of partial shortage. As far as product preparatory strategies are concerned, we take account of the optimal interpretation of complete shortage strategy, zero shortage strategy or partial shortage strategy. Futhermore we may compare the optimal interpretations for the gross profit of the three strategies and their merits and dismerits by judging the total profitability. Such results will be the evaluative basis for the suppliers'' optimal policy of purchase.