本研究將中小企業以及經濟成長相連結，利用Koenker and Bassett (1978)的分量迴歸模型( Quantile Regression)來探討中小企業與經濟成長之間的互動關係。由分量迴歸法我們可得到包括分配尾端的訊息，使我們更加了解整個分配的全貌。
    本文利用1990至2000年，45國的中小企業佔有率及經濟成長的資料，建立實証模型。實證結果發現，在加入所有控制變數後，在中小企業及經濟成長的分量迴歸部份，顯示經濟成長率較低的國家，中小企業表現的貢獻較大。在考慮內生性問題後，則發現中小企業對經濟成長率較高的國家有較大的影響力；而在期初中小企業與經濟成長的分量迴歸部份，期初的中小企業比例對經濟成長率較高的國家有較大的影響力。在加入工具變數後的分量迴歸部份，也是顯示期初的中小企業比例對經濟成長率較高的國家有較大的貢獻度。

In this study, I apply the Quantile Regression approach of Koenker and Bassett (1978) to explore the relation between relative size of the SMEs and economic growth. Empirical results indicate SMEs had great influence in the underdeveloped countries when adding all the control variables. However, when we use instrumental variables (IV) to eliminate the endogeneity , the results shows SMEs played an important role in developed countries；Furthermore, we find that there was t a positive relationship between the Initial SMEs and economic growth.

第一章	緒論
第一節	研究動機與目的..................................1
第二章	文獻回顧
第一節	中小企業與經濟成長相關文獻......................3
第三章	實證模型與研究方法
第一節	資料來源與實證模型………………………………………6
第二節	研究方法……………………………………………………8
第四章	實證分析
第一節	樣本資料敘述統計…………………………………………16
第二節	實證結果……………………………………………………19
第五章	結論…………………………………………………………33
參考文獻………………………………………………………………35
表目錄
表1：各樣本變數基本統計資料.....................................................17
表2：各樣本變數的相關係數......................................................18
表3：SME與經濟成長的實證結果.......................................................21
表4：SMEi與經濟成長的實證結果.......................................................25
表5：分量迴歸的變異數分析(ANOVA)..................................................27
表6：SME及經濟成長的實證結果(加入工具變數)......................... ............................30
表7：SMEi及經濟成長的實證結果(加入工具變數)......................................................32
圖1：SME及經濟成長的關係圖.......................................................19
圖2：SMEi及經濟成長的關係圖.......................................................20
圖3：變數只有SME時的分量迴歸圖.......................................................23
圖4：加入全部控制變數後的分量迴歸圖.......................................................23
圖5：變數只有SMEi時的分量迴歸圖.......................................................26
圖6：加入全部控制變數後的分量迴歸圖.......................................................26

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