Will the phoenix fly again? Reflections on the efficacy of oaths as a means to secure honesty

What kind of phenomenon is a banker´s oath? The oath is a warranty added to a promise, and has a complex nature and history that is discussed. Recent research on promising is presented that indicates that there may be a desired effect on both oath taker and on the audience, even if an oath is performed reluctantly or insincere. Based on a comparison with the oath of office it is argued that a banker´s oath is not just a professional oath sworn to peers, but rather a political oath whereby one swears to the nation. Furthermore, the oath´s long history indicates possible strengths and problems with the introduction of a banker´s oath. It is concluded that the moral nature of an oath and has to be taken into consideration, and that it is not just a tool to try and create trust.