zjllee.bsky.social
@zjllee.bsky.social
The 15-minute cities: bringing jobs, services, and amenities closer to where people live, cities reduce the need to travel far. But congestion does not disappear just because trips are shorter and destinations are more accessible.

(pic: Average commute delay times across US metro areas, 2017)
February 3, 2026 at 5:22 PM
My latest commentary in The Straits Times argues that AI adoption may introduce new cost pressures for Singapore through pricing algorithms, labour market divergence, and rising energy demand.
January 30, 2026 at 5:56 PM
One year into congestion pricing in NYC!

Cars on the street: fewer
Bridges and tunnels: much faster
Transit ridership: up
Traffic speeds and buses: faster
Noise complaints and crash injuries: down
January 20, 2026 at 3:59 PM
How's your commute in the New Year? If you continue to face rush-hour congestion, the economics of coordination and pricing may help alleviate your pains.

#TransportEconomics #CongestionPricing
January 16, 2026 at 3:31 PM
Revealed and stated preferences in a single estimation procedure. What would be a study, in any fields, that does so that with care, or goes in depth into accounting for both portions of the data in detail? With the added bonus of being accessible for advanced undergrads? #EconSky #Econometrics
November 18, 2024 at 6:48 AM