We describe a stochastic model based on a branching process for analyzing surveillance data of infectious diseases that allows to make forecasts of the future development of the epidemic. The model is based on a Poisson branching process with immigration with additional adjustment for possible...

Varying-coefficient models are used to examine how time modifies initial risk factors in the newly founded firm. Start-up risk factors studied include the prevailing market, the experience and age of the founder, preparation before the firm launch, and the financial frame and legal form of the...