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bbc.com/sport/athletic…

Economics of greenfield urban planning By J. Vernon Henderson, Francisco Libano-Monteiro, Martina Manara, Guy Michaels and Tanner Regan Read at: ow.ly/qm0g50VOi8T

Eased back a bit on my #running last week to allow for some recovery as I continue to try to v slowly build 2 half-marathon fitness & felt so much better for it today!

Great tips from Steve Magness as I think about training for a Fall half marathon in the impending extreme heat & humidity of Hanoi! #running

How does access to sewers increase urban density? A cross-country study finds that providing sewer access to an additional 1% of households in a census tract increase population density in a tract by around 6%. Read the full article to learn more: x.com/vox_dev/status…

Yay! First 10 k training run in almost 4 months following a calf strain in early Feb 🙂 V gradual build-up in base training continues 🏃‍♂️👟 #running

New CEPR Discussion Paper - DP20344 Going the First/Last-Mile: Ride-Hailing Services and Mass Rapid Transport Maarten Bosker Erasmus University, Mark Roberts, Sailesh Tiwari, Putu Sanjiwacika Wibisana World Bank ow.ly/EK3t50W7yEN #CEPR_ITRE #EconTwitter

Week 9 of my v slow build towards the Techcombank Hanoi international half-marathon on 4th October. Longest run so far of nearly 11.5 km on the treadmill and my longest run since Dec last year 🙂🏃👟 #running

V pleased to have published this much revised version of my paper with Maarten Bosker, Salish Tiwari & Sanji Wibisana examining the relationship between Jakarta’s MRT system & ride-hailing services as a CEPR working paper 👇🚆🏍️

This week’s “long” run - ran harder than intended but was hard to resist given the relatively cool morning in Hanoi - only 78 at 6:20 am! #running 🏃‍♂️👟

Quite pleasing 10 K tempo run this morning in hot & sticky (even at 5:30 am) Hanoi! Almost back to my training load prior to early Feb calf strain 🙂 #running

Honored to participate in the Second Kenya Urban Forum, where practitioners, policymakers, and partners came together to shape the future of Kenya’s cities. A timely dialogue on urban jobs, resilience, and inclusive growth. #KUF2025 #UrbanDevelopment #KenyaCities

Longest run (14 k) in training for Techcombank Bank Hanoi half-marathon so far & 1st time I’ve felt “yes”, maybe I can finish it! Longest training week so far - 44 k + 1 strength training session 🙂🏃👟 #running #HalfMarathon

Ran pretty much my “usual” 10 k run today but on treadmill in an air conditioned gym as opposed to outdoors in the heat & humidity of Hanoi. Would usually be a zone 3, even 4, run, was basically entirely a zone 2 today. #running

Great to take part in today’s Bishan Park #parkrun while visiting Singapore! Pleased with my 8th place overall finish in 21 min 40 s, esp. given it’s my 1st “race” since Feb. & I’ve been focussing on building a base for a half-marathon with no real speed work yet #running 🏃👟🎽

Wow, that was hard today! Brutal heat & esp humidity (a “feels like” temp of 38 degree C) by the time I finished at 7 am made my “easy/steady” run much more difficult than normal with massive HR drift, even though I’m used to training in high temps in Hanoi & Cairo #running #heat

Just over 10 weeks now to my 1st official half-marathon in Hanoi. Today’s training - 11 km. Easy during first 5.5 km, but with 2 x 1.5 km + 1 x 1 km surges with job recovery on way back home #running #HalfMarathon

Urban econ is fast becoming the most directly policy-relevant research area. Combination of new data inside cities, along with rising important of urban problems. Our 10-year plan at Development Data Lab is to bring the same data/energy to cities in the developing world.

Finally plucked up the courage to not turn back & continue #running to make it all the way round Tay Ho (West Lake) in #Hanoi - turns out to be 16 km in total 🙂 Longest run 4 me in nearly 30 years & so far in half-marathon training 🏃🎽👟 #halfmarathon

I first read in Alain Bertaud about the spatial problems in South Africa - very dispersed Black populations far from jobs, as a product both of Apartheid and post-Apartheid housing development Very nice paper here which quantifies the costs of these spatial frictions