Double, Double, Toil and Trouble Double, Double, Toil and Trouble Double, Double, Toil and Trouble is a 1993 Halloween made-for-television children's film. It stars Mary-Kate and Ashley Olsen as two adventurous little girls who discover that their Great Aunt Sophia has been trapped and cursed by her evil twin sister Agatha. On the 7th year of her imprisonment, Sophia will be doomed to the netherworld unless the curse is broken by the magical spell of twins. The film's title is part of the famous line spoken by the three witches in Shakespeare's Macbeth (Act IV, Scene I): "Double, double toil and trouble; Fire burn and
Housing bubble do not refer to a bubble episode as a whole—with both an increase and a decrease of the price. Lind claims that the solution is to define a bubble by focusing only on the specific development of prices and not on why prices have developed in a certain way. The general definition of a bubble would then simply be: “There is a bubble if the (real) price of an asset first increases dramatically over a period of several months or years and then almost immediately falls dramatically.” (Lind 2009, p. 80) Inspired by Lind (2009), Oust and Hrafnkelsson (2017) created