This paper shows that the monotonicity of the conditional hazard in traditional ACD models is both econometrically important and empirically invalid. To counter this problem we introduce a more flexible parametric model which is easy to fit and performs well both in simulation studies and in practice. In an empirical application to NYSE price duration processes, we show that non-monotonic conditional hazard functions are indicated for all stocks. Recently proposed specification tests for financial duration models clearly reject the standard ACD models, whereas the results for the new model are quite favorable.
Corporate scandals are not a phenomenon that is unique to the banking industry. However, the examples of misconduct of individual bank employees or even of entire banks that popped up in recent years have promoted the interest in business culture and business ethics in the banking industry. Honesty is one important cultural and ethical dimension. Based on their results of a survey in a large, international bank Cohn et al. (2014a), for example, conclude that the banking industry’s business culture favours dishonest behaviour of employees. The present paper applies the design of Cohn et al. (2014a) to a small sample of regional cooperative banks in Germany in order to verify their outcome. The results of Cohn et al. (2014a) cannot be confirmed. There is no evidence of more dishonesty among employees of the banks in the sample relative to a control group. Business culture in the banking industry differs between banks or group of banks, a fact that needs to be considered e.g. by legislators.
JEL Classification: C12, M14, G21, G41
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