• 沒有找到結果。

第五章 實證結果

6.2 研究限制與建議

本論文在樣本上之限制較大,若未來研究能在樣本量充足後繼續評估研發支 出之效益,或許能進一步驗證本研究所有立論是否仍然能成立。值得注意的研究 限制如下:

1. 設計業者大量上市之期間在民國89 年以後,因此為三產業階段中最年輕之 產業階段。三個產業在市場景氣高低循環中經歷之次數愈多,愈能合理估計 研發之績效,亦可避免景氣之高低影響估計結果。然而半導體產業產業之樣 本均非歷史悠久之公司。

2. 本論文在績效上之考量並未考慮各產業階段研發投入之風險可能不同;若以 風險調整後之績效衡量,研究發展對設計業者之貢獻是否最大,值得進一步

分析。

相關研究議題未來之延伸方向如下

1. 後續研究者未來在探討研究發展的投入對產出及市場價值之攸關性時,若能 考量不同國家研發性質可能存在之差異,可針對其他國家之半導體工業進行 比較。

2. 除電子業外,還有許多產業也需要投入相當多的研究發展支出,例如生物科 技業、化學業等,因此後續研究者可比較研發支出對於不同產業類型的影響 是否不同。

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