Analyzing changes in work-from-home frequency before and after COVID-19: Longitudinal revealed-preference panel data. - Zahra Hajibagher Najjar; Ali Mohammadi; Motahare (Yalda) Mohammadi; Masoud Arfaeiyazdipour; Abolfazl (Kouros) Mohammadian (ANT/EDI40, 2026)