Optical illusion There are a variety of different types of optical illusions. Many are included in the following list. Artists who have worked with optical illusions include M. C. Escher, Bridget Riley, Salvador Dalí, Giuseppe Arcimboldo, Patrick Bokanowski, Marcel Duchamp, Jasper Johns, Oscar Reutersvärd, Victor Vasarely and Charles Allan Gilbert. Contemporary artists who have experimented with illusions include Jonty Hurwitz, Sandro del Prete, Octavio Ocampo, Dick Termes, Shigeo Fukuda, Patrick Hughes, István Orosz, Rob Gonsalves, Gianni A. Sarcone, Ben Heine and Akiyoshi Kitaoka. Optical illusion is also used in film by the technique of forced perspective. Op art is a style of
Fiscal illusion Mourao (2008) attempts to quantify fiscal illusion empirically for almost 70 democracies since 1960. Fiscal illusion Fiscal illusion is a public choice theory of government expenditure first developed by the Italian economist Amilcare Puviani in his 1903 book "Teoria della illusione finanziaria" ("Theory of Financial Illusion" (not yet translated into English, but translated into German in 1960 under the title "Die Illusionen in der öffentlichen Finanzwirtschaft", Berlin: Dunker & Humblot, 1960)). Fiscal illusion suggests that when government revenues are not completely transparent or are not fully perceived by taxpayers, then the cost of government is seen to be less than