We study the problem of cooperative behavior emerging in an environment where individual behaviors and interaction structures coevolve. Players not only learn which strategy to adopt by imitating the strategy of the best-performing player they observe, but also choose with whom they should...

Population aging challenges pay-as-you-go pension systems. Solving the associated funding problem constantly motivates reform processes. In addition to an aging population, specific regulations of the German public pension system lead to an increasing financial burden of national finances. To...

Due to Germany’s specific farm structure, the progressive modulation of direct payments decided within the Health Check of the Common Agricultural Policy (CAP) is of particular relevance for German agriculture. In this paper we apply the agent-based model AgriPoliS to shed some light on the...

In this work, we develop a new model for competition in markets with differentiated products. In addition, we present a consumer model designed to produce a flexible nonlinear inverse demand system that resembles the classical Multinomial Logit model, and discuss several extensions. We...

The River Ouse forms a significant part of Humber river system, which drains about one fifth the land area of England and provides the largest fresh water source to the North Sea from UK. The river quality in the tidal river suffered from sag of dissolved oxygen (DO) during last few decades,...