Using a unique data set on German banks' sector specific loan exposures to the real economy and the corresponding write-offs and write-downs, we examine the impact of loan portfolio sector concentration on credit risk. By controlling for common risk factors, we separate the bank-specific...

Under perfect competition and constant returns to scale, firms producing homogeneous products set their prices at their marginal costs which also equal their average costs. However, the departure from these standard assumptions has important implications with respects to the derived theoretical...

Banks face a tradeoff between diversifying and focusing their loan portfolio. In this paper we carry out an empirical study for the German market to shed light on the question whether or not the benefits of risk sharing outweigh those of specialization. We use data from the Bundesbank's...

ITransition started by a sudden collapse of corporate efficiency, as one important element of the transformational recession. It was followed by a consolidation period, with rapidly increasing efficiency and improving returns to scale. During this period performance was frequently improved by...

Section 340f of the German Commercial Code allows banks to provision against the special risks inherent to the banking business by building hidden reserves. Beyond risk provisioning, these reserves are implicitly accepted as an earnings management device. By analyzing financial statements of...