This study considers the efficiency of banking in Australia during the post-deregulation period 1988-2001. Since 1986 … banks have used size as a barrier to entry to the new entrants in the post-deregulation period. Furthermore, bank efficiency … seems to have increased post-deregulation and the competition resulting from diversity in bank types was important to prompt …

Exploiting differential interstate branching deregulation across contiguous counties of adjacent states, we investigate …