Strong consistency and asymptotic normality of the Gaussian pseudo-maximum likelihood estimate of the parameters in a wide class of ARCH($ \infty $) processes are established. The conditions are shown to hold in case of exponential and hyperbolic decay in the ARCH weights, though in the latter...

We claim that the stock market encourages business creation, innovation, and growth by allowing the recycling of ``informed'' capital. Due to incentive problems, financing new innovative businesses requires entrepreneurs either to sustain a tight relationship with monitors (banks, venture...