創新是廠商生存於快速全球化及競爭激烈的環境中的關鍵。而廠商創新績效的影響因素可以分為外部因素與內部因素進行探討。就外部因素而言，本研究同時從經濟地理學門的區域聚集效果與社會學門的研發網絡關係探討外部環境對廠商創新績效的影響。並探討地區產業聚集現象是否會增加區域內廠商形成研發網絡的可能性。而除了廠商外部環境會影響廠商創新績效外，管理學門提出廠商的內部吸收能力也同樣重要。吸收能力定義為廠商對外部知識的認識、吸收和應用的能力。吸收能力除了會對創新績效產生直接影響之外，也會對由網絡中所獲得的外部知識的認知、吸收和利用產生調節效果。 本研究以台灣的ICT產業為研究對象，而空間單位劃分則依據工業區分布情形與天然及人為界線分佈，將台灣劃分為39個空間分析單元，以供實證分析所需。研究結果發現，廠商所處地區之聚集效果確實會對廠商研發網絡的形成產生影響，進而影響廠商所能吸收的外部知識流的多寡，最終造成不同區域的廠商創新績效的不同。廠商的研發網絡會隨群聚內的社會經濟狀況、產業組成和多樣性等不同而有所不同。此外，本研究同時從廠商外部環境的聚集效果、研發網絡關係以及廠商內部的吸收能力探討對廠商創新績效的影響，以期更全面地了解創新績效的影響因素。本研究的實證結果證實了聚集效果、研發網絡與廠商內部吸收能力確實對廠商創新績效產生影響，而內部吸收能力確實會對經由研發網絡所獲取的外部知識和創新績效產生調節效果。 / Innovation is the key of the firm to survive in a rapidly globalizing and competitive environment. The factors affecting firms’ innovation performance can be divided into external and internal factor. For the external factors, this studies use the view of regional agglomeration effects and R&D networks to study the impact of external environment on innovation performance. In the same time, we also discuss whether the regional agglomeration effects affect the firms’ R&D networks. Aside from the external environment, the internal absorption capacity is also important for innovation performance. Absorption capacity is defined as the capacity of firm to recognize, absorb and apply external knowledge. Absorption capacity has not only direct impact on innovation, but also adjusted effects between the knowledge acquired from R&D networks and innovation performance. The object of this study is the ICT industry in Taiwan, and Taiwan was divided into 39 spatial units for empirical analysis. The empirical results indicate that the regional agglomeration effects of firms indeed influence the firms’ R&D network ,and then affect the amount of the external knowledge that the firm can absorb, ultimately result in different innovation performance. Firms’ R&D networks will vary depends on the cluster’s socio-economic conditions, industry composition and diversity. Besides, this study also discusses the impact factor of firms’ innovation performance from the external agglomeration effects, R&D networks, and internal absorption capacity to have a more comprehensive understanding of the relationship between those factors and the innovation performance. The empirical results indicate that agglomeration effects, R&D networks, absorption capacity do affect the firms’ innovation performance, and the internal absorption capacity do have adjusted effects between the knowledge acquired from R&D networks and innovation performance.