為瞭解本國銀行的小型企業放款有否較佳之經營績效，本研究乃以Carter-McNulty(2005)、Berger et al.(2005)提出的迴歸模型，檢測本國銀行的企業放款淨利率與銀行規模、企業的小型放款、法規、技術改變與所有權變化之間的關係，並以時間(TIME)作為法規鬆綁與技術進步之代理變數。基於穩健的原則，本文除了使用普通最小平方法外，同時採用隨機效果模型，並得到的一致的實證結果。由假設檢定可知，企業放款淨利率隨著法規逐步鬆綁(以時間當做代理變數)而下降、銀行規模效果不存在、放款規模呈現顯著的負相關；再者，沒有明顯的證據顯示，公營銀行的企業放款淨利率異於民營銀行；而1991 年所開放設立的新銀行，其企業放款淨利率則顯著優於其他銀行。
此外，本研究亦利用靜態、選擇與動態效果來衡量所有權改變後的放款績效。實證結果發現，民營銀行的放款績效優於公營銀行(靜態效果)；金控子銀行和外資併購或入股的銀行，其放款績效顯著高於公營銀行(選擇效果)；金控子銀行和外資併購或入股的銀行，其放款績效短期間雖然較差，但長期則可能會有反轉的趨勢(動態效果)。

For analyzing the performance of small business lending in internal banking industry,we use the regression model of Carter and McNulty(2005)、Berger et al. (2005) to test the relationshipbetween risk-adjusted business yield, the size of banks, small business lending, and regulation-and-technology changes. Besides OLS, we also consider random effect model to acquire robust results. From both models, the consistent results are as follows. Fist, the returns to business lending have declined over the sample period. Second, size-of-bank effects do not exist and size-of-loan effects are negative related. Additionally, there is no significantstatistic that adjusted-risk business yields of public banks are different from privatebanks, but there is evidence showed that the business lending performance of the new banks in 1991 is significantly better than other banks.
Moreover, we jointly analyze the static, selection, and dynamic effects of domestic, state, and foreign ownership on bank performance. State-owned banks have poor long-term performance (static effect), financial holding banks and foreign banks have much better performance than state-owned banks (selection effect), and financial holding banks and foreign banks have poor performance in the short run, but it may reverse in the long run (dynamic effect).

何俊德(1998)，金融自由化與經濟成長-臺灣實證研究，國立中正大學國際經濟研究所碩士論文。
李豐良(2001)，「電子商務對銀行業電子化之影響分析」，2001年科技與管理學術研討會論文集。
李紀珠(2002)，台灣開放民營銀行設立之經驗與展望，國改研究報告，財金(研) 091-063號。
_____ (2007)，加入WTO後台灣金融業的發展，國改研究報告，財金(研) 096-006號。
林寶安(2002)，「台灣消費金融的演變及其社會經濟意義」，台灣社會學刊，27卷，107-162。
林寶安(2002)，「台灣1990年代的金融擠兌、合併與金融秩序」，2002年臺灣社會學年會「重訪東亞：全球、區域、國家、公民」研討會。
林銘鈺，台灣地區公營銀行民營化經營效率之研究—ＤＥＡ方法之應用，國立成功大學企業管理研究所碩士論文。
吳孟紋(2008)，公司治理及資產規模，外資進入對銀行經營績效的影響，政治大學金融研究所博士論文。
邱靜玉與唐正儀(2002)，金融改革與銀行業發展，國改研究報告，財金(研)091-029號。
許振明與唐正儀(2002)，公營銀行民營化問題，國改研究報告，財金(研)091-063號。
黃達業、歐進士與吳坤明(1997)，「開放新銀行對我國銀行規模經濟影響之實證研究」，中山管理評論，5卷，639-656。
Akhigbe, A. and J. E. McNulty (2003), “The Profit Efficiency of Small US Commercial Banks,” Journal of Banking and Finance 27, pp. 307-325.
Aliber, R. (1984), “International Banking: A Survey,” Journal of Money, Credit and Banking 16, Part 2, pp. 661–678.
Beck, T., J. M. Crivelli and W. Summerhill (2005a), “State Bank Transformation in Brazil-choices and Consequences,” Journal of Banking and Finance 29, pp. 22-51.
_____ (2005b), “Bank Privatization and Performance: Evidence from Transition Countries,” Journal of Banking and Finance 29, pp. 102-132.
Berger, A. N., K. K. Anil and M. S. Joseph (1995), “The Transformation of the U.S. Banking Industry: What a Long, Strange Trip It''s Been,” Brookings Papers on Economic Activity 2, pp. 55-201.
_____, A. Saunders, J. M. Scalise and G. F. Udell (1998), “The Effects of Mergers and Acquisitions on Small Business Lending,” Journal of Financial Economics 50, pp.187-229.
_____, R. DeYoung, H. Genay and G. F. Udell (2000), “The Globalization of Financial Institutions: Evidence from Cross-border Banking Performance,” Brookings-Wharton Papers on Financial Services 3, pp. 23-58.
_____, N. H. Miller, M. A. Petersen, R. G. Rajan and J. C. Stein (2001), “Does Fuction Follow Organizational Form? Evidence from the Lending Practices of Large and Small Banks,” NBER Working Paper Series 8752, pp. 1-51.
_____, L. F. Klapper and G. F. Udell (2001), “The Ability of Banks to Lend to Informationally Opaque Small Business,” Journal of Banking and Finance 25, pp.2127-2167.
_____ and G. F. Udell (2002), “Small Business Credit Availability and Relationship Lending: The Importance of Bank Organization Structure,” Economic Journal 112, pp. 32-53.
_____, R. J. Rosen and G. F. Udell (2005), “Does Market Size Structure Affect Competition? The Case of Small Business Lending,” Journal of Banking & Finance 31, pp 11-33.
Bonin, J. P., I. Hasan and P. Wachtel (2005a), “Bank Performance, Efficiency and Ownership in Transition Countries,” Journal of Banking and Finance 29, pp. 31–54.
Carter, D. A., J. E. McNulty and A.V. James (2005), “Do Small Banks Have an Advantage in Lending? An Examination Risk-Adjusted Yields on Business Loan at Large and Small Banks,” Journal of Financial Services Research 25, pp. 233-252.
_____ and J. E. McNulty (2005), “Deregulation, Technological Change, and the Business-Lending Performance of Large and Small Banks,” Journal of Banking & Finance 29, pp.1113-1130.
Claessens, S., A. Demirgüç-Kunt and H. Huizinga (2001), “How does foreign entry affect the domestic banking market?” Journal of Banking and Finance 25, pp.891–911.
Detragiache, E. and P. Gupta (2004), “Foreign Banks in Emerging Market Crises: Evidence from Malaysia,” IMF Working Paper No. 129.
DeYoung, R. and D. E. Nolle (1996), “Foreign-owned Banks in the US: Earning Market Share or Buying it?” Journal of Money, Credit, and Banking 28, pp. 622-636.
_____, W. C. Hunter and G. F. Udell (2004), “The Past, Present, and Probable Future for Community Banks,” Journal of Financial Service Research 25, pp. 85-133.
Goldberg, L.G. and A. Saunders (1981), “The Determinants of Foreign Banking Activity in the United States,” Journal of Banking and Finance 5, pp. 17-32.
Jayaratne, J. and P. Strahan (1996), “The Finance-Growth Nexus: Evidence from Bank Branch Deregulation,” Quarterly Journal of Economics 111, no.3, pp. 639-70.
_____ (1998), “Entry Restrictions, Industry Evolution, and Dynamic Efficiency: Evidence from Commercial Banking,” Journal of Law and Economics 41, pp. 239-273.
Keeton, W. R. (1995), “Multi-Office Bank Lending to Small Businesses: Some New Evidence,” Federal Reserve Bank of Kansas City Economic Review 80, pp.45-57.
Levonian M. E. and J. Soller (1995), “Small Banks, Small Loans and Small Business,” Federal Reserve Bank of San Francisco, San Francisco, CA (December).
McNulty J. E., A. O. Akhigbe and J. A. Verbrugge (2001), “Small Bank Loan Quality in a Deregulated Environment: The Information Advantage Hypothesis,” Journal of Economics and Business 53, pp. 325-339.
Meyer, L. H. (1998), “The present and future roles of banks in small business finance,” Journal of Banking & Finance 22, pp. 1109-1116.
Nakane, M. and D. Weintraub (2005), “Bank Privatization and Productivity: Evidence for Brazil,” Journal of Banking and Finance 29.
Nakamura (1994), “Small Borrowers and the Survival of the Small Bank: Is Mouse Band Mighty or Mickey?” Business Review, Nov/DEC, pp. 3-15.
Park, H. M. (2005), “Linear Regression Models for Panel Data Using SAS, STATA, LIMDEP, and SPSS.” Indiana University.
Peek, J. and E. S. Rosengren (1996), “Small Business Credit Availability: How Important is Size of Lender?” In: Saunders, A., Walter, I. (Eds.), Universal banking: Financial system design reconsidered. Irwin, Chicago, IL, pp. 628-655.
_____ (1998), “Bank Consolidation and Small Business Lending: It’s not Just Bank Size That Matters,” Journal of Banking and Finance 22, pp. 799-820.
Peterson, M. and R. Rajan (1994), “The Benefits of Small Business Lending: Evidence from Small Business Data,” Journal of Finance 49, pp. 3-37.
Rebel A. C. and W. Nicholas (1998), “Banking Consolidation and the Availability of Credit to Small Businesses,” MPRA Paper No. 4716, posted 07.
Stiroh, K. J. and P. E. Strahan (2003), “Competition dynamics of deregulation: Evidence from U.S. bankin,” Journal of Money, Credit and Banking 35, pp. 801-828.
Strahan, P. E. and W. James (1996), “Small Business Lending and Bank Consolidation: Is There Cause for Concern?” working paper, Federal Reserve Bank of New York.
_____ (1998), “Small business lending and changing structure of the banking industry,” Journal of Banking & Finance 22, pp. 821-845.