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題名 | 研究發展外溢效果對廠商成本結構之影響--臺灣高科技產業之實證分析=Intra-and Inter-Industry R&D Spillovers and Exogenous Technical Change Effects: Evidence from Taiwan High-Tech Plant-Level Data |
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作者 | 蔡蕙安; 陳致綱; | 書刊名 | 經濟論文叢刊 |
卷期 | 30:2 2002.06[民91.06] |
頁次 | 頁175-204 |
分類號 | 555.9 |
關鍵詞 | 研究發展; 外溢效果; 產業動態模型; 臺灣高科技產業; R&D; Spillover effects; Industry dynamic model; Taiwan high-tech industry; |
語文 | 中文(Chinese) |
中文摘要 | 本文以臺灣1987-1995年製造業中電力電子機械業小分類(three-digit)之廠商資料為實証分析對象,利用動態要素需求模型檢視R&D及其外溢效果對廠商生產行為與產業結構之影響;同時,本文將外溢效果區分為產業間與產業內之外溢,以分析其影響之差異。實証結果發現:1.臺灣高科技產業之產業間與產業內R&D外溢效果皆十分顯著,並在樣本期間內有上升的趨勢;2.兩種型態之R&D外溢效果對廠商之成本結構與要素需求並未存在絕對性的影響,而是依其產業別不同而有差異;3.外生技術變動降低廠商對變動成本的需求,而增加準固定要素--資本與R&D之使用。 |
英文摘要 | This paper estimates the intra- and inter-industry R&D spillovers and exogenous technical change effects on cost structure and factor demands for the six top Taiwan high-technology industries. The empirical study is implemented using plant-level data for over 2300 plants over the period 1987-1995. Based on a dynamic factor demand model, estimates of the effects of intra- and inter-industry R&D, and exogenous technical changes on cost structure and estimates of spillover sources for Taiwan high-tech industries are obtained. The empirical evidence shows the following. 1)Both intra- and inter-industry R&D spillover effects are significant and show an increasing trend in Taiwan high-tech industries during 1987-1995. 2)The impact of R&D spillovers (both intra- and inter spillovers) on a firm's cost structure and factor demands differs depending on industry characteristics. 3)External technical change leads to a decrease in variable costs and an increase in quasi-fixed inputs- R&D and physical capital. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。