Wu, Xin-Yu; Ma, Chao-Qun; Wang, Shou-Yang - In: Economic Modelling 29 (2012) 6, pp. 2237-2244
The GARCH diffusion model has attracted a great deal of attention in recent years, as it is able to describe financial … underlying asset follows the GARCH diffusion model. An analytical approximate solution for European option prices is derived by … enables us to investigate the volatility smile implied by the GARCH diffusion model. Then a method is developed to provide the …