Gresham's law the building of the Temple from the Bible and the Mishna in tractate Bava Metzia () from the Talmud. Ibn Taimiyyah (1263–1328) described the phenomenon as follows: In an influential theoretical article, Rolnick and Weber (1986) argued that bad money would drive good money to a premium, rather than driving it out of circulation. However, their research did not take into account the context in which Gresham had made his observation. Rolnick and Weber ignored the influence of legal tender legislation, which requires people to accept both good and bad money as if they were of equal value. They also
Good cop/bad cop Good cop/bad cop "Good cop/bad cop" routine, also called joint questioning or friend and foe, is a psychological tactic used in negotiation and interrogation. "Good cop/bad cop" tactics involve a team of two interrogators who take apparently opposing approaches to the subject. The interrogators may interview the subject alternately or may confront the subject at the same time. The "bad cop" takes an aggressive, negative stance towards the subject, making blatant accusations, derogatory comments, threats, and in general creating antipathy between the subject and himself. This sets the stage for the "good cop" to act sympathetically, appearing supportive and understanding,