This paper deals with estimating peaked densities over the interval [0,1] using two-sided power distribution (Kotz, van Dorp, 2004). Such data were encountered in experiments determining certainty equivalents of lotteries (Kontek, 2010). This paper summarizes the basic properties of the...

This paper presents a regression procedure for inhomogeneous data characterized by varying variance, skewness and kurtosis or by an unequal amount of data over the estimation domain. The concept is based first on the estimation of the densities of an observed variable for given values of...

It is well known that information arrival has an impact on prices volatility, and trading volume in financial markets (see e.g., Goodhart and O?Hara 1997). Scheduled macroeconomic announcements, such as monthly employment figures, consumer prices, or building permits, stand out from the steady...

Bis zum Amtsantritt von Gary Gensler ging die US Commodity Futures Trading Commission von einem geringen Einfluss der Spekulanten auf den Rohölpreis aus, während nun eine Neubewertung stattfindet.Dieser Artikel misst die Aktivität der Spekulanten mit Hilfe von Variablen der wöchentlichen...

This article discusses the influence of speculators in the futures market on crude oil prices. The results suggest the dispersion in beliefs influences both crude oil prices and price volatility.

Over the past two decades, the Black Sea region has exhibited significantly growing wheat production and exports. In 2017/18, Russia ultimately became the world’s largest wheat exporter, a position that was held by the USA for decades. Mostly serving destination markets in the Middle East and...