本文利用1992-1995年間「中華民國台閩地區工業統計調查報告」之原始資料，對這段期間內台灣製造業工廠之多角化程度及生產力變化情形，進行實證之分析研究。
在該段期間內，大部份的多角化指標所反應出台灣製造業的多角化程度，存在著逐年遞減的趨勢。不過若僅就多角化生產之工廠而言，則並未存著明確的時間趨勢。
另外，我們以分解後的Entropy指標為自變數來解釋各產業內工廠多角化程度對其生產力之影響。結果發現，在大部份產業內，無論工廠的多角化是否在相關產業，工廠的多角化程度越高，將對其生產力有越不利之影響。

第一章 前言…………………………………………………………1
第二章 文獻回顧：多角化程度及生產力之衡量…………………3
第一節 多角化的衡量方法…………………………………………3
2.2.1 常用之多角化指標…………………………………………3
2.2.2 多角化指標應有之良好性質………………………………6
第二節 生產力之衡量……………………………………………7
第三節 多角化與生產力之關係…………………………………10
2.3.1 多角化與生產力關係之探討……………………………10
2.3.2 多角化與生產力之實證研究……………………………11
第三章 台灣製造業的多角化程度及生產力變化情形…………13
第一節 資料來源與處理過程……………………………………13
3.1.1 資料來源與特性…………………………………………13
3.1.2 資料處理過程……………………………………………14
第二節 台灣製造業多角化之衡量………………………………15
3.2.1 單一產品與多產品………………………………………15
3.2.2 平均產品線數…………………………………………16
3.2.3 Herfindahl Index. …….…….………….……………17
3.2.4 Entropy Index……………………………………………17
第三節 生產力之衡量……………………………………………19
3.3.1 生產力之計算過程………………………………………19
3.3.2 台灣製造業之生產力.……………………………………22
第四章 迴歸模型設定與結果分析…….………………………23
第一節 模型設定…………………………………………………23
第二節 迴歸結果分析…………………….……………………27
第五章 結論………………………………………………31
參考文獻…………………………………………………33

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