Duality in microeconomic theory takes an important role in the theoretical work and in empirical research. The dual description of convex set implies the unique structure of microeconomic phenomena in the consumer and producer theory. In this article the unique structure of microeconomic...

Background: Our research assumes that the software quality affects the product validity. This assumption also refers to embedded software. Objectives: This paper analyses the Stackelberg equilibrium in which the consumer is the leader and the producer of embedded software is the follower....

Background: Recent scientific research explains corporate social responsibility as an economic activity. This paper interprets social responsibility as a means of power to increase firms' market share in a duopoly. Objectives: This paper analyses the duopoly model in which firms decide on...

Recent macroeconomic and demographic trends have resulted in new challenges for pension systems. One of these challenges is to create a sustainable pension system while simultaneously providing adequate pension benefits for current and future pensioners. This research explores how similar are...