This case study is a part of the research project "The Unexpected consequences and impacts of the regulation of markets" which is financed by the Hungarian Scientific Research Fund. It deals with the conditions and impacts of the implementation of the Law CXXIV (2012) which radically changed the...

This case study is a part of the research project "The Unexpected consequences and impacts of the regulation of markets" which is financed by the Hungarian Scientific Research Fund. It deals with the conditions and impacts of the implementation of the Law CXXIV (2012) which radically changed the...

Hungarian Abstract: Az online kereskedelem napjainkra egyre inkább elterjedtté vált. Az elektronikus áruházak számára egyre több adat válik hozzáférhetővé a felhasználóiról, amit azok fel is használnak a kereskedelmi gyakorlatban számos céllal: személyre szabott ajánlatok...

In microeconomic analysis functions with diminishing returns to scale (DRS) have frequently been employed. Various properties of increasing quasiconcave aggregator functions with DRS are derived. Furthermore duality in the classical sense as well as of a new type is studied for such aggregator...