發(fā)布時間：2018-11-22 16:16

【摘要】：自從經(jīng)典的EOQ庫存模型提出以后,庫存控制的理論研究獲得了很大的進步.然而,這些擴展性的研究與復(fù)雜的實際運營仍有不少差距,還有很多不足的地方需要不斷完善.在流通市場中,變質(zhì)是絕大部分商品不可忽略的現(xiàn)象,直接影響著相關(guān)制造零售企業(yè)的運營效率,特別是在營銷利潤方面.因此,對變質(zhì)性產(chǎn)品的庫存控制與方法進行研究對于提高企業(yè)的績效具有重要的現(xiàn)實意義.本文在現(xiàn)有庫存優(yōu)化理論的基礎(chǔ)上,結(jié)合產(chǎn)品的實際市場需求、市場壽命以及零售商訂貨費用的支付方式等方面對變質(zhì)性產(chǎn)品的庫存控制問題展開進一步的擴展性研究,具體的研究內(nèi)容如下：(1)根據(jù)產(chǎn)品的不同變質(zhì)屬性和實際需求情況,考慮到新產(chǎn)品推向市場的前期成長和市場飽和階段,即產(chǎn)品的市場需求假設(shè)為Ramp-型,建立了產(chǎn)品壽命服從混合指數(shù)分布的變質(zhì)性產(chǎn)品庫存模型,分析了庫存系統(tǒng)的最優(yōu)缺貨、最優(yōu)補貨策略以及最佳訂貨量,使得庫存系統(tǒng)的總成本最小.(2)根據(jù)變質(zhì)性產(chǎn)品的市場壽命和多變的市場需求屬性,本文在假設(shè)產(chǎn)品的市場壽命滿足指數(shù)分布且市場需求為Trapezoidal-型的條件下,建立了基于預(yù)銷售模式的變質(zhì)性產(chǎn)品庫存模型.探討了零售商的庫存系統(tǒng)的總成本最小的最優(yōu)訂貨策略,同時還進一步分析了決定產(chǎn)品壽命和需求率的參數(shù)擾動對零售商訂貨策略和庫存系統(tǒng)成本的影響.(3)將一般意義下的Trapezoidal-型需求模式、產(chǎn)品市場壽命服從Weibull分布和允許缺貨且部分延后交貨相結(jié)合,建立允許缺貨且部分延后、產(chǎn)品壽命服從Weibull分布的變質(zhì)性產(chǎn)品庫存模型.通過對模型展開分析,提出了使得庫存系統(tǒng)周期內(nèi)的總成本最小的最優(yōu)訂貨策略,同時分析了構(gòu)成庫存系統(tǒng)的主要參數(shù)的擾動對最優(yōu)訂貨策略的影響.(4)根據(jù)顧客對產(chǎn)品價格和庫存量的敏感性以及延期交貨的容忍度關(guān)系,假定零售商分別采取預(yù)銷售模式和現(xiàn)貨銷售模式情形下,建立了市場需求依賴于銷售價格和系統(tǒng)庫存水平的變質(zhì)性產(chǎn)品庫存優(yōu)化模型.通過分析,提出了庫存系統(tǒng)的最優(yōu)定價策略和訂貨策略,使零售商獲得最大利潤,并且對影響庫存系統(tǒng)的主要參數(shù)進行了靈敏性分析,得到了主要參數(shù)在一定范圍內(nèi)擾動情況下對不同銷售策略的影響.(5)對零售商的訂貨采取延期支付策略以鼓勵零售商提高訂貨量,是供應(yīng)商加速產(chǎn)品流轉(zhuǎn)的一種策略.本文結(jié)合市場對產(chǎn)品的需求依賴于價格和庫存水平,建立了市場需求依賴于價格和庫存水平且允許延期支付的變質(zhì)性產(chǎn)品庫存模型,并確定了庫存系統(tǒng)的最優(yōu)定價和訂貨策略以使零售商獲得最大利潤,同時對影響庫存系統(tǒng)的主要參數(shù)進行了靈敏度分析.總之,本論文在前人研究和相關(guān)企業(yè)調(diào)研的基礎(chǔ)上,對變質(zhì)性產(chǎn)品在市場復(fù)雜需求環(huán)境下的庫存策略展開研究,探討了不同庫存系統(tǒng)中的最優(yōu)訂貨量、最佳訂(補)貨時間和訂貨周期等影響決策的因素,不僅豐富了現(xiàn)有庫存優(yōu)化理論的內(nèi)容,還通過對變質(zhì)性產(chǎn)品這一類具體產(chǎn)品的庫存策略展開深入研究,為實際中涉及類似產(chǎn)品經(jīng)營的供應(yīng)鏈成員的庫存決策提供更為科學(xué)的理論依據(jù).
[Abstract]:Since the classical EOQ inventory model has been put forward, the theoretical study of inventory control has made great progress. However, there are still many gaps in the research of these expansibility and the complex practical operation, and there are many insufficient places to be constantly improved. In the circulation market, metamorphism is a phenomenon that most of the commodities are not negligible, which directly affects the operation efficiency of the related manufacturing and retail enterprises, especially in terms of marketing profit. Therefore, the research on the inventory control and method of the modified product is of great practical significance to improve the performance of the enterprise. In this paper, on the basis of the existing stock optimization theory, the problem of stock control of the modified product is further expanded in the aspects of the actual market demand of the product, the market service life and the payment method of the retailer's order cost, and the specific research contents are as follows: (1) according to the different deterioration property and the actual demand situation of the product, taking into account the early growth of the new product and the market saturation stage, that is, the market demand of the product is assumed to be the Ramp-type, the product life of the product is established and the modified product inventory model of the mixed exponential distribution is established, The optimal stock-out, the optimal replenishment strategy and the optimal order quantity of the inventory system are analyzed, and the total cost of the inventory system is minimized. (2) According to the market service life of the modified product and the changing market demand, this paper sets up an inventory model of the modified product based on the pre-sales mode under the condition that the market life of the product meets the exponential distribution and the market demand is the Trapezoidal-type. The optimal order strategy of the minimum cost of the retailer's inventory system is discussed, and the influence of the parameter perturbation on the product life and demand rate on the retailer's order strategy and the inventory system cost is further analyzed. (3) According to the Trapezoidal-type demand model in general sense, the life of the product market is subject to the Weibull distribution and the partial late delivery is combined to establish an inventory model of the modified product which is allowed to be out of stock and partially delayed, and the product life is subject to the Weibull distribution. Based on the analysis of the model, the optimal order strategy for minimizing the total cost in the inventory system period is put forward, and the influence of the disturbance on the optimal order strategy of the main parameters of the inventory system is analyzed. (4) according to the sensitivity of the customer to the product price and the stock quantity and the tolerance relationship of the delayed delivery, it is assumed that the retailer adopts the pre-sales mode and the spot sales mode respectively, The inventory optimization model of the modified product based on the sales price and the inventory level of the system is established. Through the analysis, the optimal pricing strategy and the order strategy of the inventory system are put forward, the maximum profit is obtained by the retailer, and the sensitivity analysis of the main parameters affecting the inventory system is analyzed, and the influence of the main parameters on different sales strategies under certain conditions is obtained. (5) The retailer's order to take an extended payment strategy to encourage the retailer to increase the order quantity is a strategy for the supplier to accelerate the product circulation. In this paper, the demand of the market to the product is dependent on the price and the inventory level, the inventory model of the modified product is established which is dependent on the price and the inventory level and the deferred payment is allowed, and the optimal pricing and order strategy of the inventory system is determined so as to make the retailer obtain the maximum profit, At the same time, the sensitivity analysis of the main parameters affecting the inventory system is carried out. In conclusion, on the basis of the previous research and the research of the relevant enterprises, this paper studies the inventory strategy of the modified products in the market complex demand environment, and discusses the factors such as the optimal order quantity, the best order (supplement) time and the order cycle of different inventory systems. It not only enriches the content of the existing stock optimization theory, but also studies the inventory strategy of a specific product of the modified product, and provides a more scientific basis for the inventory decision of the supply chain members involved in the similar product management in practice.
【學(xué)位授予單位】：上海大學(xué)
【學(xué)位級別】：博士
【學(xué)位授予年份】：2014
【分類號】：F274

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