Optimal Sale Destination Selection of Recycled Resources Considering Credit Management and Transportation Efficiency at the Same Time

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  • 与信管理と輸送効率を同時に考慮したリサイクル資源の最適な売却先選択
  • ヨシンカンリ ト ユソウ コウリツ オ ドウジ ニ コウリョ シタ リサイクル シゲン ノ サイテキ ナ バイキャクサキ センタク

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Abstract

<p>In this paper, we conduct a case study of a company that collects and processes used home appliances and sells them as new recycled resources based on the Home Appliance Recycling Law. The target company earns sales by selling multiple resources to multiple sales destinations with different selling prices. There are various restrictions on such sales, which creates complexity. Due to this complexity, the sales amount cannot be maximized using only the intuition and experience of employees. Therefore, we propose a model that maximizes the sales amount obtained from selling each resource. As a result, using the proposed model, different sales amounts and sales destinations of each resource were obtained, achieving better results. Specifically, compared to the current total sales amount, 3.6% better results are expected. Furthermore, as a sensitivity analysis, experiments were conducted in which the credit constraints of each sales destination were varied. It was found that risk management can be performed without affecting the objective function value by setting credit appropriately.</p>

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