Imperial College London
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Esra Suel

Faculty of Medicine, School of Public Health

Honorary Research Fellow
 
 
 
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Contact

 

esra.suel

 
 
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Location

 

609Skempton BuildingSouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@article{Suel:2017:10.1007/s11116-017-9838-3,
author = {Suel, E and Daina, N and Polak, JW},
doi = {10.1007/s11116-017-9838-3},
journal = {Transportation},
title = {A hazard-based approach to modelling the effects of online shopping on intershopping duration},
url = {http://dx.doi.org/10.1007/s11116-017-9838-3},
year = {2017}
}
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RIS format (EndNote, RefMan)

TY  - JOUR
AB  - Despite growing prevalence of online shopping, its impacts on mobility are poorlyunderstood.  This partially results from the lack of sufficiently detailed data.  In thispaper we address this gap using consumer panel data, a new dataset for this context.We analyse one year long longitudinal grocery shopping purchase data from Londonshoppers to investigate the effects of online shopping on overall shopping activity pat-terns and personal trips.  We characterise the temporal structure of shopping demandby  means  of  the  duration  between  shopping  episodes  using  hazard-based  durationmodels.  These models have been used to study inter-shopping spells for traditionalshopping  in  the  literature,  however  effects  of  online  shopping  were  not  considered.Here, we differentiate between shopping events and shopping trips.  The former refersto all types of shopping activity including both online and in-store, while the latteris restricted to physical shopping trips.  Separate models were estimated for each andresults suggest potential substitution effects between online and in-store in the contextof grocery shopping.  We find that having shopped online since the last shopping tripsignificantly  reduces  the  likelihood  of  a  physical  shopping  trip.   We  do  not  observethe same effect for inter-event durations.  Hence, shopping online does not have a sig-nificant effect on overall shopping activity frequency, yet affects shopping trip rates.This is a key finding and suggests potential substitution between online shopping andphysical trips to the store.  Additional insights on which factors, including basket sizeand demographics, affect inter-shopping durations are also drawn.
AU  - Suel,E
AU  - Daina,N
AU  - Polak,JW
DO  - 10.1007/s11116-017-9838-3
PY  - 2017///
SN  - 1572-9435
TI  - A hazard-based approach to modelling the effects of online shopping on intershopping duration
T2  - Transportation
UR  - http://dx.doi.org/10.1007/s11116-017-9838-3
UR  - http://hdl.handle.net/10044/1/53499
ER  -
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