The concept of CSR is a big challenge for organisations striving for business excellence. Nevertheless, a question should be asked whether achieving excellence is possible? is it possible to become an excellent organisation in contemporary economic, social and political circumstances? or the efforts to build an excellent organisation are only a PR trick. Unfortunately, nowadays many facts seem to confirm that, while operating in a very unfavourable environment, the majority of organisations which implement - to the full extent - the CSR concept in their strategies and adopt the model of socially responsible business risk business failure. Such a conclusion derives from two key facts. First of all, the legal environment is not ready for the development of socially responsible companies which results from political hedonism being an innate feature of democratic systems. Secondly, the level of customer social responsibility is not satisfactory and hardly any changes are expected in the short-term perspective, which is the consequence of hedonistic nature of human actions.

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This paper presents the synthetic sociobiological concept of human nature as devised by Edward Wilson and then expanded by Richard dawkins and Robert Trivers, which on the one hand is subjected to critical analysis, and on the other hand verifies the consistency of the author's concept of the hedonistic nature of human action. As part of the analysis, the concept of maximum fitness with regard to humans is proven partially erroneous and the consistency of the remaining principles of sociobiology according to the author's concept of human action are demonstrated.

In his seminal work Capital in the 21 st century Thomas Piketty analyses income and wealth disparities in developed economies observed over last two centuries. He claims that increasing disparities may result in social tensions and even revolutions in the near future and proposes fiscal mechanisms as a remedy to such threats. The aim of the paper is to assess the Piketty's proposals of tax changes aimed at levelling the existing income disparities. First of all, the paper proves that Piketty's tax proposals are contrary to the empirically tested Laffer curve. Secondly, it discusses whether social stratification is or should be a worry for economists and politicians or whether it is a required and unavoidable situation in a well developing market economy.