Conference Agenda

Overview and details of the sessions of this conference. Please select a date or location to show only sessions at that day or location. Please select a single session for detailed view (with abstracts and downloads if available).

Please note that all times are shown in the time zone of the conference. The current conference time is: 13th Aug 2022, 09:33:03am IST

Session Overview
Urban mobility
Friday, 08/July/2022:
11:15am - 1:00pm

Session Chair: Gianluca Marcato, Henley Business School, United Kingdom
Location: Room B

Room in the Arts Building, Trinity College Dublin. Exact details to be confirmed by May 31

External Resource:
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Displacing Congestion: Evidence from Paris

Bou Sleiman, Lea

CREST- Ecole Polytechnique, France;

When commuters cannot abandon their cars, policies that limit downtown traffic may only displace congestion to the periphery. Using the recent closure of the "Georges Pompidou" riverbank in Paris in 2016 and a difference-in-difference design, I show that the closure increased the probability of congestion on Parisian ring road lanes with the same flow direction as the riverbank by 15%. This trans- lates into an additional 2 minutes spent on a 10 km trip. Commuting and pollution data suggest that (i) affected commuters did not switch to public transportation and (ii) a majority of residents suffered from a decrease in air quality.

Regulating Uber: The Mobility and Economic Consequences of Ride-hailing Tax in Chicago

Wang, Binzhe

MIT, United States of America;

While ride-hailing services like Uber and Lyft continue to gain popularity, more and more cities are now paying attention to their negative impacts such as road congestion and carbon emission. This paper examines the short-run consequences of the ride-hailing tax implemented in Chicago starting January 2020, from both mobility and economic aspects. Using a dataset of 45 million ride-hailing trips before and after the implementation of the tax, I find that the tax’s effects on ride-hailing usage are highly heterogenous spatially and temporally, which more effectively reduced shorter trips near the city center and morning commuting trips. In addition, using the tax intervention as an instrumental variable, I find a 1% decrease in ride-hailing trips in a census tract explains a 0.6% decrease in consumer foot traffic in venues located in that tract. The negative economic effect is stronger on venues with higher consumer value, such as bars or fine-dining restaurants. The findings suggest that the demand function for ride-hailing services can be systematically different from other conventional modes such as public transit, and understanding the consequential consumer behavior in both mobility and economic terms are essential inputs in transportation policy in the era of new mobility.

The role of amenities in shaping cities

Garcia-Lopez, Miquel-Angel1,2; Viladecans-Marsal, Elisabet2,3

1Universitat Autonoma de Barcelona, Spain; 2Institut d'Economia de Barcelona; 3Universitat de Barcelona;

In this paper, we study the role of historic amenities that arise from historic buildings in shaping cities. Using detailed geo- located data for 579 European central cities, we test whether central cities endowed with historic buildings from the Roman, Medieval and Renaissance-Baroque periods behaved differently between 1961 and 2011. Results show that indeed historic amenities matter: Cities with historic amenities in their centers have steeper population density gradients, are more compact and centralized, and are less affected by the suburbanization effect caused by transportation improvements. Heterogeneity analyses show that the quantity and the quality of the historic buildings also matter. Several robustness checks controlling for the effect of other amenities,

addressing endogeneity concerns, and testing the spatial scope of theses amenities verify our main results.

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