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    Tytuł:
    Insider understanding of country development: a novel application of Optimal Control Theory and Data Envelopment Analysis for benchmarking performance of Chilean and Brazilian companies
    Autorzy:
    Alves Junior, Paulo Nocera
    Yushimito, Wilfredo F.
    Gude, Jorge Pereira
    Melo, Isotilia Costa
    Rebelatto, Daisy Aparecida do Nascimento
    Powiązania:
    https://bibliotekanauki.pl/articles/14430662.pdf
    Data publikacji:
    2019-03-27
    Wydawca:
    Wyższa Szkoła Bankowa we Wrocławiu
    Tematy:
    Data Envelopment Analysis (DEA)
    Optimal Control Theory (OCT)
    Dynamic Efficiency
    Developing Countries
    Inventory Control
    Production-Inventory System
    Benchmarking
    Best Practices.
    Opis:
    Aim: If companies manage their inventory inefficiently, inventory costs can increase significantly due to shortages, overstocking, and risks. Inventory management is critical for company’s success which, in turn, impacts on countries’ development. This paper aims to investigate the efficiency of inventory control systems of companies from Brazil and Chile through Optimal Control Theory and Data Envelopment Analysis. Design/Research methods: Data was collected from Chilean and Brazilian companies covering different industries in which both countries are mostly dependent A new approach using OCT and DEA is applied for dealing with inventory, production, and demand in Dynamic DEA model to benchmark companies’ production-inventory systems. Conclusions/findings: The results show efficient companies among evaluated industries. Such companies are related mainly to Brazilian commerce and Chilean exports. Based on findings, it was possible to identify patterns and relationship among companies and its inventory management. Originality/value of the article: This paper fills a gap in studies including demand, production, and inventory in Dynamic DEA by using OCT to forewarn unrealistic results and observing companies’ behavior. Besides that, this approach is particularly useful for developing countries in this context, determining benchmarks for the most inefficient firms in each sector. Implications of the research: The results show (1) which companies should focus more on improving inventory management, (2) which companies should be used as benchmarks, and (3) it highlights the reasons of different performance of companies in each country. Limitations of the research: For future research, it is suggested including variables and analysis of social and environmental impacts.
    Źródło:
    Central European Review of Economics and Management; 2019, 3, 1; 47-93
    2543-9472
    Pojawia się w:
    Central European Review of Economics and Management
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Coordinated production, ordering, shipment and pricing model for supplier-retailer inventory system under trade credit
    Autorzy:
    Shah, Nita H.
    Naik, Monika K.
    Powiązania:
    https://bibliotekanauki.pl/articles/406551.pdf
    Data publikacji:
    2019
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    defective item
    production inventory system
    supply chain of two players
    time-price
    credit
    dependent demand
    element uszkodzony
    system inwentaryzacji produkcji
    łańcuch dostaw
    kredyt
    popyt zależny
    Opis:
    The objective of this article is to maximize the joint profit for supplier and retailer by constructing a combined supplier–retailer inventory model wherein supplier and retailer both have implemented trade credit policies, and some defective items are received by the retailer. The customer’s demand is expressed as a function of time, price and credit period, which is appropriate for the products for which demand increases initially and after some time it starts to decrease. Production, directly proportional to the customer’s demand rate, is considered as one of the decision variables for the purpose of reducing the holding cost of the supplier. The article estimates the optimum replenishment cycle, customer’s credit period, retail selling price by a classical optimization technique. For validation of the derived model, various numerical examples are demonstrated. Finally, implementing sensitivity analysis on the decision variables by varying the inventory parameters, effective managerial insights are generated which is beneficial for the players of supply chain by practically gaining the maximum joint profit through advising to opt for the case N ≤ M ≤ T , i.e., when the customer’s trade credit period offered by the retailer is lesser than the retailer’s trade credit period offered by the supplier and which is lesser than the replenishment cycle length.
    Źródło:
    Operations Research and Decisions; 2019, 29, 2; 55-76
    2081-8858
    2391-6060
    Pojawia się w:
    Operations Research and Decisions
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-2 z 2

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