Corgi Toys and sold in large numbers. Some of the best known and most popular models were of cars made famous in film and television such as the Batmobile, Chitty Chitty Bang Bang and James Bond's Aston Martin DB5 – which remains the largest selling toy car ever produced. Although the largest single vehicle type featured in the Corgi Toys range were models of cars from manufacturers around the world, this article sub-divides vehicles into genres, wherever possible, to allow a more detailed look at the variety of models produced by the company. Mettoy became established in Northampton and within six years
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