To capture the existence of structural breaks in the banking sector, I focus on the banking sector into three subperiod
(i) the 1999 to 2003 before rose revolution, (ii) the 2003 to 2006 after rose revolution, and (iii) the 2006 to
2009 periods. Any statistically significant interaction term would indicate a change in competitive behavior (and
thus, the H- statistic).Ordinary least square is the simplest and most common estimation procedure employed in the
P-R literature. I used ordinary least square regression analysis in this research.