Gresham's law Crown in the city of Antwerp, to explain to Queen Elizabeth I what was happening to the English shilling. Her father, Henry VIII, had replaced 40 percent of the silver in the coin with base metals, to increase the government's income without raising taxes. Astute English merchants and even ordinary subjects would save the good shillings from pure silver and circulate the bad ones; hence, the bad money would be used whenever possible, and the good coinage would be saved and disappear from circulation. Gresham was not the first to state the law which took his name. The phenomenon had
Good cop/bad cop and in general showing sympathy for the subject. The good cop will also defend the subject from the bad cop. The subject may feel they can cooperate with the good cop either out of trust or out of fear of the bad cop. They may then seek protection by and trust the good cop and provide the information the interrogators are seeking. This technique also has its disadvantages in that it can be easily identified and the "bad cop" may alienate the subject. Good cop/bad cop "Good cop/bad cop" routine, also called joint questioning or friend and foe, is a