Chris Higgins
@higgicd
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Assistant Professor, GIScience+Urban Planning @UTSC_HumanGeo @geo_uoft
Joined June 2010
The Tricky Relationship Between Transit and Land Value
bloomberg.com
Cities are harnessing future land values to pay for new infrastructure. But the research behind this approach may be flawed.
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RT @ArkuNutifafa: 📚 New Publication Alert📚. Check out our latest on transport equity by @higgicd , Jaimy Fischer, @FarberSteven and I as we….
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Question for @paleolimbot - on windows, should R computations like mutate on an arrow dataset be multithreaded? arrow::cpu_count is 36 but only ever seems to use 1. Sorry, can’t seem to find info in docs.
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As a fan of multiprocessing, swapping out R’s math libraries for optimized versions really cuts down on the run time for large spatial models!
higgicd.github.io
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RT @danielasilver12: 📚 New publication! "Are low-income residents disproportionately moving away from transit?" Grateful to be a part of th….
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Moreover, households are, in general, making fewer moves over time (in line with trends in many countries around the world):
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Interestingly, we also see a general increase in transit access to work and non-work destinations over the study period:
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Nevertheless, they do not undergo as great of a reduction in transit accessibility as higher-income movers, and this gap in experienced changes in transit accessibility between higher- and low-income movers is converging over time.
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Low-income residents do, on average, experience reductions in their levels of transit accessibility when moving within the region, suggesting a growth in people at risk of transport poverty.
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Are low-income residents disproportionately moving away from transit? New paper by @JeffAllenMaps with @FarberSteven, Dan Silver, and I uses a panel dataset of tax filers (1988 to 2018) in Toronto and finds “Yes, but…”
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RT @UofTMobilityNet: Join us for the next session of The Way Forward on May 16, 4-5PM! 'Moving and #housing multitudes in the #Toronto regi….
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RT @FarberSteven: We're hiring again! Come join our incredible team as a postdoctoral fellow on the @UofTMobilityNet iCity2.0 and @Mobiliz….
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Here’s a cumulative one too - difference in sum of jobs reachable within 45 minutes rather than the “gravity”-based version
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Didn’t get to finish the thought earlier - travel times calculated over every minute each hour using #r5r and access based on the median travel time, so service levels are reflected. Opportunities weighted by this bottom gravity function calibrated to TTC trip durations!
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Building on @RaktimMitra @TMUTransForm ’s research into the upcoming TTC service changes, here’s a quick look at differences in transit access to jobs after the new schedules enter service next week. @wklumpen @FarberSteven and I digging deeper into results by neighbourhood
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Looking forward to it! @grantdmckenzie @platialanalysis.
Join us on Friday, March 17 (SSH 2125) from 3:00 - 5:00pm for an Intersections Speaker Series "Urban mobility in the sharing economy: A spatiotemporal comparison of micromobility services" with Grant Mackenzie (McGill University)! Learn more:
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RT @nacho_tiznado: We are hiring! 📢.Postdoc opportunity working at the Suburban Mobilities Cluster at @UTSC led by @FarberSteven. A wonderf….
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RT @soukhov_a: Gravity-based #accessibility measures. still interested in the differences between types of "unconstrained" vs. competitiv….
journals.plos.org
Accessibility indicators are widely used in transportation, urban and healthcare planning, among many other applications. These measures are weighted sums of reachable opportunities from a given...
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RT @UTSC_HumanGeo: Closing soon - the Department of Human Geography at the University of Toronto Scarborough is hiring an Assistant Profess….
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