Are recent price increases driven by demand shifts or supply shifts? (Both, and "unsure" are possible answers, this is an open-ended question.) Briefly (i.e., one or two sentences) explain what features of the data are driving your answer. Please look at any of the following data sources below to arrive at your answer. Your answer should be driven by some form of data (as opposed to opinion pieces).

Consumption expenditure data (respectively, non-durables, durables, services) https://fred.stlouisfed.org/series/PCEND https://fred.stlouisfed.org/series/PCEDG https://fred.stlouisfed.org/series/PCESV

New vehicle sales (# of vehicles) https://fred.stlouisfed.org/series/TOTALNSA

Port of LA (shipping containers) https://www.portoflosangeles.org/business/statistics/container-statistics https://www.portoflosangeles.org/business/statistics/container-statistics/historical-teu-statistics-2019 https://www.portoflosangeles.org/business/statistics/container-statistics/historical-teu-statistics-2021

Port of Long Beach (shipping containers) https://polb.com/business/port-statistics/#teus-archive-1995-to-present