The mean cross-partial derivative effect
(labeled "ie") is the average of the cross-partial derivative over all observations in the data set.
This condition has obviously had a derivative effect
on strategy, the property advisory concluded.
Then they calculated derivative effects
of these investments throughout the economy -- such as increased sales by suppliers of parts and raw materials and increased transportation costs to haul those materials.
Micronic and its customers are significantly affected during these sharp downturns due to the derivative effects
in the industry's food chain.