專業分工及國際化的趨勢下，供應鏈越來越長，供應不確定性也越來越高，因此供應中斷成為了重要的研究議題。de Oliveira and Handfield （2017） 提出合約重新修訂對供應中斷風險有影響，然並無提及合約訂定時應保持哪些彈性以避免或減少供應中斷；同時過往對於合約彈性上的研究，亦較少討論其與供應中斷的關聯性。合約內容涵蓋項目多，合約訂定時對於貨品數量及交貨時間的需求預測不確定性高，本研究擬聚焦探討合約中數量及時間彈性對供應中斷風險的影響；以及於合約訂定討論時，合約中數量及時間彈性的制定，是否受到買賣雙方溝通管道及溝通狀況的影響。在研究結果顯示，交貨日期彈性對於供應情況而言最為主要，其次是貨品的數量也對供應情況有一定的影響，而在合作當中商家都較偏向以為正式的溝通方式聯絡，但在解約時間點的商討上卻是偏向非正式的溝通。

Under the trend of professional division of labor and internationalization, the supply chain is getting longer, and the supply uncertainty is getting higher. Therefore, supply disruption has become an important topic of research. de Oliveira and Handfield (2017) proposed that the contract re-amendment had an impact on the risk of supply disruption. However, there was no mention of the flexibility of contract timing to avoid or reduce supply disruption. At the same time, the study on contract resilience association with supply disruptions was less discussed. The contract covers a large number of projects. The forecasting of the demand for the quantity of goods and the delivery time is highly uncertain. The purpose of this study is to focus on the impact of quantity and time flexibility on the risk of supply disruption in the contract; The formulation of the quantity and time flexibility in the contract is affected by the communication channels of the buyers and sellers and their communication status. The research results show that the flexibility of delivery date is the most important for the supply situation. Secondly, the quantity of the goods also has a certain effect on the supply situation. In the cooperation, the merchants are more inclined to communicate in a formal way, but at the time of termination the discussions are biased towards informal communication.

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