This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Surplus economics is the study of economics based upon the concept that economies operate on the basis of the production of a surplus over basic needs.
Arizona Sports Team Mascots. Sparky is the mascot of the Arizona State University Sun Devil teams. Sparky became the school's mascot in 1946. Prior to being called the Sun Devils, Arizona State University teams were 'Bulldogs' and, before that, 'Owls'. Continue to 2 of 12 below.
The following is a list of symbols of the U.S. state of Arizona. The majority of the items in the list are officially recognized after a law passed by the state legislature. Most of the symbols were adopted in the 20th century. The first symbol was the motto, which was made official in 1864 for the Arizona Territory. The newest adopted symbol of Arizona is the Colt Single Action Army in 2011. Arizona became the second state to adopt a state firearm after Utah adopted the Browning M1911. Fifteen of the state symbols are on display on the Arizona Capitol Museum.