We examine how the numeracy level of employees influences the quality of their on-the-job decisions. Based on an administrative dataset of a retail bank we relate the performance of loan officers in a standardized math test to the accuracy of their credit assessments of small business borrowers....

This supplemental appendix extends the main paper by presenting an additional analysis of a math training implemented by the bank. We do not find evidence for a significant influence of the math training on loan officers' rejection decisions and accuracy. These findings suggest that the...

We employ a unique dataset of credit assessments for 3,756 small businesses by nine banks using an identical rating model to examine (i) to what extent loan officers use their discretion to smooth credit ratings of their clients, and (ii) to assess whether this use of discretion is driven by...