This paper uses index number theory to disentangle changes in aggregate retail interest rates due to changes in individual component rates (“interest rate effect”) from those caused by changes in the weights of each component (“weight effect”), on the basis of the “difference” index...

This paper uses index number theory to disentangle changes in aggregate retail interest rates due to changes in individual component rates ("interest rate effect") from those caused by changes in the weights of each component ("weight effect"), on the basis of the "difference" index numbers...