Voluntary contribution mechanism to public goods is one of the traditional types of economic experiments. The article summarizes the results of series of experiments that have been conducted with several groups of Czech university students. Using the threshold mechanism the impact of several...

Innovation is an important topic in economics. This paper highlights duopoly innovation under the Hotelling model with game theory approaches. This paper argues that market power, as measured by the cost advantage of a dominant firm over its rival, serves to enhance the incentive to innovate in...

This paper highlights the monopoly firms´ commitments for goods requiring high maintenance expenditure, such as elevators, televisions and computers. A guarantee time limit model to maintain these special goods is presented in this paper. Based on this model, several types of commitments with...

Innovation is an important topic in economics. This paper highlights duopoly innovation under the Hotelling model with game theory approaches. This paper argues that market power, as measured by the cost advantage of a dominant firm over its rival, serves to enhance the incentive to innovate in...