Preprints
https://doi.org/10.5194/egusphere-2023-2234
https://doi.org/10.5194/egusphere-2023-2234
05 Oct 2023
 | 05 Oct 2023

Early opportunity signals of a tipping point in the UK’s second-hand electric vehicle market

Chris A. Boulton, Joshua E. Buxton, and Timothy M. Lenton

Abstract. The use of early warning signals to detect the movement of natural systems towards tipping points is well established. Here, we explore whether the same indicators can provide early opportunity signals (EOS) of a tipping point in a social dataset – views of online electric vehicle (EV) adverts from a UK car selling website (2018–2023). The daily share of EV adverts views (versus non-EV adverts) is small but increasing overall and responds to specific external events, including abrupt petrol/diesel price increases, by spiking upwards before returning to a quasi-equilibrium state. An increasing return time observed over time indicates a loss of resilience of the incumbent state dominated by ICEV advert views. View share also exhibits increases in lag-1 autocorrelation and variance consistent with hypothesised movement towards a tipping point to an EV-dominated market. Segregating the viewing data by price range and year, we find a change in viewing habits from 2023. Trends in EOS from EV advert views in low-mid price ranges provide evidence that these sectors of the market may have passed a tipping point, consistent with other evidence that second-hand EVs recently reached price parity with equivalent ICEV models. We provide a case study of how EOS can be used to predict the movement towards tipping in social systems using novel data.

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Chris A. Boulton, Joshua E. Buxton, and Timothy M. Lenton

Status: final response (author comments only)

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on egusphere-2023-2234', Lennart Baumgärtner, 05 Mar 2024
    • AC2: 'Reply on RC1', Chris Boulton, 27 May 2024
  • RC2: 'Comment on egusphere-2023-2234', Gianluca Grimalda, 19 Apr 2024
    • AC1: 'Reply on RC2', Chris Boulton, 27 May 2024
Chris A. Boulton, Joshua E. Buxton, and Timothy M. Lenton
Chris A. Boulton, Joshua E. Buxton, and Timothy M. Lenton

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Short summary
Early warning signals (EWS) of tipping points (TP), are used to detect resilience loss in the incumbent regime of ICEVs, towards an electric vehicle (EV) dominated state. View share of EV ads on a UK car selling platform shows evidence of approaching a TP, with results suggesting low-mid price ranges may have passed it, likely due to achieved price parity between EVs and non-EVs in sectors of the second-hand market, showing that EWS of positive TPs are possible in social-technological systems.