This paper aimed to measure the impact of changes in weighted average interest rate
on the activities of the Syrian banking industry, which is represented by deposit
management and credit policies, and to examine to what extent that activities
res
ponds to weighted average interest rate. To achieve the objectives of the study the
data has been collected from some Syrian commercial banks during 2005-2010. Two
patterns of slight regression have been used, the first to assess the relationship
between the weighted average interest rate and deposit indices and the second to
examine the relation between deposit indices and credits indices.