Gresham's law Gresham's law In economics, Gresham's law is a monetary principle stating that "bad money drives out good". For example, if there are two forms of commodity money in circulation, which are accepted by law as having similar face value, the more valuable commodity will gradually disappear from circulation. The law was named in 1860 by Henry Dunning Macleod, after Sir Thomas Gresham (1519–1579), who was an English financier during the Tudor dynasty. However, there are numerous predecessors. The law had been stated earlier by Nicolaus Copernicus; for this reason, it is occasionally known as the Gresham–Copernicus law. It was 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,