The mirror of science
Autor: Marek Biernacki, Antoni Smoluk

Railway crew scheduling in passenger transportation – optimization approach
Autor: Izabela Dziaduch, Paweł Hanczar

A golden ratio as a generalization of the 2/3 rule of Janusz Łyko
Autor: Arkadiusz Maciuk, Antoni Smoluk

Decomposition of the Gini index in the presence of observations with negative values
Autor: Katarzyna Ostasiewicz, Achille Vernizzi

Can Google Trends affect sentiment of individual investors? The case of the United States
Autor: Agata Kliber, Aleksandra Rutkowska

Decision-making under risk and “statistical thinking” in the 20th century (selected models and persons)
Autor: Wojciech Rybicki

Methods of mathematical quantum theory in selected economic models
Autor: Agnieszka Matylda Schlichtinger

Michał Montygierd-Łoyba (1927-2015)
Autor: Antoni Smoluk