# Jevons paradox > "In economics, the Jevons paradox, or Jevons effect, is said to occur when technological improvements that increase the efficiency of a resource's use lead to a rise, rather than a fall, in total consumption of that resource." "In , the Jevons paradox, or Jevons effect, is said to occur when technological improvements that increase the efficiency of a resource's use lead to a rise, rather than a fall, in total consumption of that resource."