The purpose of this research is to show and to analyze the problems that appeared after the Cyprus legislative change οn the 1st January 2003 and mainly to point out the reactions of the shareholders of the off - shore companies, due to the changes of the tax legislation. Our theoretical model considers that a law in the Capital Market is effective, if it increases the expected social prosperity. In our analysis we examined the Bayesian model approach of the effectiveness of the law whose base was to analyze the data supports of the opinion from the asked company consultants.

Dr. Theofanis Karagiorgos Et Al (2013). The Effectiveness of a Law and Society’s Affluence: The Paradox of Cyprian Legislation’s Reform, International Journal of Economics and Business Administration Volume I Issue 3, 50-68