資源錯置與產業動態：以臺灣的動態隨機存取記憶體產業為例

Resource Misallocation and Firm Dynamics: The Case of the DRAM Industry in Taiwan

10.53106/1018189X202204101

李文傑(Wen-Chieh Lee)；王信實(Shinn-Shyr Wang)；倪湘倫(Hsiang-Lun Ni)

資源錯置 ； 總要素生產力 ； 反事實分析 ； 動態隨機存取記憶體 ； resource misallocation ； total factor productivity (TFP) ； counterfactual analysis ； dynamic random access memory (DRAM)

人文及社會科學集刊

35卷3期（2023 / 09 / 01）

587 - 623

繁體中文;英文

本文以2007年至2012年臺灣動態隨機存取記憶體（DRAM）產業為研究標的，探討2009年第一季奇夢達（Qimonda）破產是否影響DRAM產業的資源錯置程度，以及使用整併策略對DRAM產業的影響。在無實際DRAM廠商合併的歷史資料下，本文提供了嚴謹的理論依據，透過計算可能合併方案帶來生產力扭曲的衝擊，比較不同情境下產業整體生產力的改進情況，建議了改善資本閒置與冗員問題的合併方案，以提供生產端效率改善的政策啟示，並且從總體生產力扭曲的角度量化分析了DRAM產業結構轉型帶來的可能衝擊。

This study investigates the degree of input misallocation prevalent in the DRAM industry. Based on the severe input misallocation problems observed in the Taiwanese DRAM industry, the study proceeds with dynamic market structure adjustments to fix the computed input distortions. Splitting the timeline following the Qimonda insolvency in 2009, two scenarios featuring the exit of a firm and team-up mergers of incumbents exhibit divergent changes in equilibrium misallocations. The results show that an exit event pushes up efficient frontiers to tamp down overall industry-wide misallocation, while merger scenarios bring about significant improvement in input distortions featured by higher production efficiency.

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