CONCENTRATION IN BANKING IN OHIO DURING THE POSTWAR PERIOD*
a t i s t i c a l m a te r ia l th e y p ro v id e d .The w r i t e r Is g r a t e f u l to th e o f f i c e r s o f th e banks who co o p e ra te d in th e c a se s t u d i e s , and to th e many Ohio b a n k e rs who