Evaluating Statistical Models of Mortgage Lending Discrimination: A Bank‐Specific Analysis
研究了针对特定银行建立模型来检测抵押贷款歧视的方法，讨论了选择偏差和联立偏差，并通过三家全国性银行的实例表明，纳入各银行具体承销准则的模型比通用模型更能解释贷款决策结果。
We present our efforts to develop bank‐specific models to test for the presence of mortgage lending discrimination. We discuss the potential for selection and simultaneity biases and delineate the conditions under which a single‐equation model is appropriate. The results from three national banks demonstrate that, by incorporating the specific underwriting guidelines of each bank, our alternative approach significantly improves the ability of the model to explain the outcomes of the mortgage lending decision process when compared to a single generic specification applied across all banks. Our results also demonstrate the difficulties encountered in attempting to incorporate the specifics of a bank's underwriting criteria and the remaining potential for omitted‐variables problems.