While Bentley et al.'s model is very appealing, in this commentary we argue that researchers interested in big data and collective behavior, including the way humans make decisions, must account for the emotional factor. We investigate how daily choice of activities is influenced by emotions. Results indicate that mood significantly predicts people's decisions about what to do next, stressing t...

This topical issue collects contributions of recent achievements and scientific progress related to the collective behavior nonlinear dynamical oscillators. The individual papers focus on different questions present-day interest in this topic.

In the early 1990s, some 1400 collective farms were privatized in Hungary and became agribusinesses and other farm enterprises. An important step in privatization was the division of common property (cpd) among the members, and the choice of exiting individually or in groups with one's share, or of continuing in a successor farm enterprise as a shareholder. The study reports on privatization in...