Brighton Toy and Model Museum Brighton Toy and Model Museum Brighton Toy and Model Museum (sometimes referred to as Brighton Toy Museum) is an independent toy museum situated in Brighton, East Sussex (registered charity no. 1001560). Its collection focuses on toys and models produced in the UK and Europe up until the mid-Twentieth Century, and occupies four thousand square feet of floor space within four of the early Victorian arches supporting the forecourt of Brighton railway station. Founded in 1991, the museum holds over ten thousand toys and models, including model train collections, puppets, Corgi, Dinky, Budgie Toys,construction toys and radio-controlled aircraft. The display area
Black–Derman–Toy model Black–Derman–Toy model In mathematical finance, the Black–Derman–Toy model (BDT) is a popular short rate model used in the pricing of bond options, swaptions and other interest rate derivatives; see Lattice model (finance) #Interest rate derivatives. It is a one-factor model; that is, a single stochastic factor—the short rate—determines the future evolution of all interest rates. It was the first model to combine the mean-reverting behaviour of the short rate with the lognormal distribution, and is still widely used. The model was introduced by Fischer Black, Emanuel Derman, and Bill Toy. It was first developed for in-house use by Goldman Sachs