been referred to by some Swiss political scientists as "The Zemp effect". From 1959 to 2003, the Federal Council comprised two Free Democrats, two Social Democrats, two Christian Democrats, and one member of the Swiss People's Party, based on an unwritten rule known as the "magic formula". Since 2003, however, the composition has changed to reflect the rise of the Swiss People's Party. See also Concord Principles Consociationalism Politics of Switzerland Swiss Federal Council References Politics of Switzerland Government of Switzerland Power sharing de:Konkordanzdemokratie