本文針對銀行廠商探討利差管理與技術選擇如何影響銀行的權益報酬及權益報酬風險。本文應用Merton (1974) 的選擇權評價模型來評估銀行的權益報酬及Ronn and Verma (1986) 的建議計算銀行的權益風險，經過式子導正後，我們證明了具有較高的邊際人力資源成本與較低的固定成本，此種保守型的技術選擇，對銀行的利差(報酬)會有正面影響，且會下降銀行的權益風險。因此，銀行藉由專注於保守型的技術選擇可為銀行帶來更多的利潤且成功地降低銀行的風險、進而促使銀行體系的穩定。

This thesis examines how technology choice affect bank interest margins and thus bank equity risk.  We show that a higher level of backward technology, a higher administrative cost with a lower fixed cost, has positive effects on bank interest margins, but has negative effects on bank risks.  As a result, the bank might succeed in making more profits and reducing higher risks by introducing a backward technology rather than an advanced technology.

目錄

致謝辭	Ⅰ
中文摘要	Ⅱ
英文摘要	Ⅲ
目錄	Ⅳ
圖表目錄	Ⅴ
第一章	緒論	1
第一節	研究動機	2
第二節	研究目的與方法	3
第三節	研究架構	4
第二章 文獻回顧	6
第一節 技術選擇之相關文獻	6
第二節 銀行利差決策之相關文獻	7
第三節 Black and Scholes評價模型之相關文獻	8
第三章 基本模型	10
第四章 數值分析	14
第一節	模型均衡條件	14
第二節	比較靜態分析	16
第五章 結論	28
參考文獻	30


圖表目錄

表4-1:  變動對 的影響  18
表4-2: 在不同資產風險水準下，當 變動對 之影響  21
表4-3: 當 變動對 之影響  23
表4-4： 在不同資產風險水準下，當 變動對 之影響  26

圖1-1: 本文之研究架構  5
圖4-1: 銀行權益報酬變化圖  19
圖4-2: 當 變動對 之影響  24

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