Option pricing is one of the most important issues while dealing with this sort of terminal assets. At present, the probabilistic Black–Scholes model and the binominal Cox–Ross–Rubinstein model are the most popular and widely used to this end. Therefore, the paper discusses the impact of...

The econometric literature offers various modeling approaches for analyzing micro data in combination with time series of aggregate data. This paper discusses the estimation of a VAR model that allows unobserved heterogeneity across observation unit, as well as unobserved time-specific...

Celem opracowania jest analiza zasadnosci wykorzystania metody Valua at Risk w szacowaniu ryzyka zwiazanego z inwestycja w spolki branzy metalurgicznej. W artykule przedstawiono sposob konstruowania modelu, rozne metody jego estymacji oraz ich wady i zalety. W czesci badawczej artykulu...

The paper presents empirical results on the discounting of delayed payoffs which show that: (1) the best approximation of the discounting process is a hyperbolic function, (2) (both animals and humans) can reverse their preferences in time. The article presents theoretical conditions on the...

We examine the estimation problem for shape-restricted functions that are continuous, non-negative, monotone non-decreasing, and strictly concave. A sieve estimator based on bivariate Bernstein polynomials is proposed. This estimator is drawn from a sieve, a set of shape-restricted Bernstein...

We discuss the origins and the possible reasons for the sudden death of the VOLAX contract.

We analyze the implied volatility surface structure of ODAX options as traded on DTB (currently Eurex). We apply PCA to cross sections of the implied volatility surface taken along the same moneyness (m) or the same time to maturity (T). For data from the period October 3rd 1997 – November...

Polish Abstract: Intensyfikacja zjawisk konkurencyjnych w czasach spowolnienia gospodarczego w drugiej dekadzie XXI wieku przyniosła zmianę perspektyw postrzegania i oceny jakości badań marketingowych. Celem artykułu jest analiza czynników wpływających na ocenę jakości usług...

English Abstract: The article presents an overview of selected connections of the COVID-19 pandemic with risk theories. The study first explores the basic concepts of preparing and mobilizing networks of public policy actors to act together under conditions of uncertainty. The following section...