“…Second, showing anger breaks the social norm and is particularly unacceptable in Eastern culture, where harmonious relations are extremely valued (Glikson et al, 2019). In such case, employees may feel interactive injustice and get angry at the rude customer (Frey-Cordes et al, 2020;Rupp and Spencer, 2006), resulting in their "negativity reciprocity," that is, returning offensiveness with less effort on work, more incivility and even deliberate undermining (Zhang et al, 2008). Finally, according to the regulatory depletion theory, customer anger as a stressor expends FLEs' cognitive resources, such that they have little mental resources to control their anger and get the job NBRI 12,2 done (Walker et al, 2017).…”