Abstract The financial crisis of 2007 revealed that there were insufficient existing regulations. As a result, the Basel Committee on Banking Supervision developed Basel III, which is a reformed regulatory framework. The concomitant financial regulation has wide-ranging consequences for the banking world as a whole. However, little is known about the consequences of Basel III on the business model of cooperative banks in Germany. Therefore, the aim of the present study is to investigate the following question: How has the financial regulation that was initiated in the context of Basel III affected the business model of established cooperative credit institutions? To answer this question, a triangulation approach was chosen, including a group discussion with five experts and a quantitative survey among Bavarian banks that was based on the group discussion’s results. The findings clearly show that the business model is negatively affected in all its facets, especially revenues, costs, and activities. To ensure sustainability, German cooperative credit institutions should adapt their strategy in terms of value chain and political influence.

中文翻译：

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需要转型的合作银行：《巴塞尔协议三》对德国合作信贷机构商业模式的影响

摘要2007年的金融危机表明现有法规不足。结果，巴塞尔银行监管委员会制定了巴塞尔协议III，这是一种经过改革的监管框架。随之而来的金融监管对整个银行业产生了广泛的影响。但是，关于巴塞尔协议III对德国合作银行业务模式的影响知之甚少。因此，本研究的目的是调查以下问题：在巴塞尔协议三的背景下启动的金融监管如何影响已建立的合作信贷机构的商业模式？为了回答这个问题，选择了三角剖分方法，包括与五位专家进行的小组讨论，以及基于小组讨论结果的巴伐利亚银行之间的定量调查。调查结果清楚地表明，业务模型的各个方面都受到了负面影响，尤其是收入，成本和活动。为了确保可持续性，德国合作信贷机构应在价值链和政治影响力方面调整其策略。