My guess is this is more a consequences of many prices in the economy exhibiting "rocket and feather" [0] behavior: quick to rise, slow to fall. 0: https://en.

My guess is this is more a consequences of many prices in the economy exhibiting "rocket and feather" [0] behavior: quick to rise, slow to fall. 0: https://en.wikipedia.org/wiki/Asymmetric_price_transmission https://en.wikipedia.org/wiki/Asymmetric_price_transmission