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conference paper | August 08, 2026

conference paper | January 2024

Bumsub Park and Jean-Daniel Saphores (2024) “Restaurant Food Consumption in the Time of the Pandemic - A California Case Study”.

book/book chapter | October 21, 2025

book/book chapter | January 2023

Jean-Daniel Saphores, Lu Xu and Bumsub Park (2023) “COVID-19 and Food Shopping: Results from California and Comparisons with China and South Korea”, in A. Loukaitou-Sideris, A.M. Bayen, G. Circellaand R. Jayakrishnan (eds.) Pandemic in the Metropolis: Transportation Impacts and Recovery. Cham: Springer International Publishing (Springer Tracts on Transportation and Traffic), pp. 95–111.

Phd Dissertation | October 21, 2025

Phd Dissertation | January 2023

Bumsub Park (2023) Restaurant meals consumption in California: channel shifts during COVID-19, food justice, and efficient delivery. Ph.D.. UC Irvine.

conference paper | April 18, 2026

conference paper | January 2021

Bumsub Park and Jean-Daniel M. Saphores (2021) “What is the Optimal Fleet Size for Online Food Delivery Companies?– An Application to San Francisco”.

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