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Incentive-driven transition to high ride-sharing adoption.

David-Maximilian Storch1, Marc Timme1,2, Malte Schröder3

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Ride-sharing can boost sustainable urban mobility, but user willingness to share rides decreases with higher demand, contrary to efficiency trends. This suggests targeted financial incentives could significantly increase adoption rates.

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Area of Science:

  • Urban mobility
  • Sustainable transportation
  • Behavioral economics

Background:

  • Ride-sharing, combining trips, offers potential for sustainable urban mobility.
  • Efficiency is typically highest in high-demand areas with numerous similar trip requests.

Purpose of the Study:

  • To model the fundamental incentives driving individual ride-sharing decisions.
  • To investigate the relationship between demand and willingness to share rides.

Main Methods:

  • Developed a model of individual ride-sharing incentives.
  • Analyzed over 360 million ride requests from New York City and Chicago.

Main Results:

  • Identified two distinct ride-sharing adoption regimes: constant and decreasing adoption with increasing demand.
  • Observed a discontinuous transition in high demand, leading to abrupt shifts in adoption.
  • Found both regimes coexisting across cities, aligning with model predictions.

Conclusions:

  • Individual willingness to share rides does not correlate with demand as expected.
  • Financial incentives may disproportionately influence ride-sharing adoption across different user groups.