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J Michalek Profile picture
J Michalek
@JJMichalek
Professor of @CMU_EPP, @CMU_Mech, @CMU_CEE at @CarnegieMellon Director of @CMUVEG
Dec 8, 2022 • 14 tweets • 12 min read
We've been studying #traffic, #environment, #economic, #equity & #policy implications of #Uber & #Lyft in US cities for the past 6 yrs

Our new video & policy brief summarize what we found

🧵1/n


@CMUVEG @CMU_EPP @CMU_Mech @CMUEngineering #VEGFindings Our new policy brief series on Transportation Network Companies (#TNCs) like #Uber & #Lyft has bottom-line findings on

1) Effects of Uber & Lyft Entry on US Cities
2) Traffic Implications
3) Environmental Implications
4) Equity Implications

🧵2/n

cmu.edu/traffic21/rese…
Jan 6, 2021 • 9 tweets • 14 min read
Hot off the press:

Q: What changes when Uber and Lyft enter US cities?
A: Depends on the type of city.

Thread: 1/8

cell.com/iscience/fullt… @CostaSamaras @inesliaz @alehenao10 @CMUVEG @CMU_EPP #VEGFindings Image @CostaSamaras @inesliaz @alehenao10 @CMUVEG @CMU_EPP In our new paper in @iScience_CP, we leverage the fact that Uber/Lyft entered 224 US cities by 2017 with staggered timing to isolate changes caused by Uber/Lyft from other changes over time and other differences among cities. 2/8 Image