One of the two linked papers (AnnualReview.pdf) discusses formal settings, including those with disparities in power: 'Brown & Levinson’s (1987) polite-ness th

One of the two linked papers (AnnualReview.pdf) discusses formal settings, including those with disparities in power: 'Brown & Levinson’s (1987) polite-ness theory takes into account an individual’s efforts to preserve the “face(s)” of others with whom one communicates. For example, they propose impersonalizing the speaker and hearer by avoiding the pronouns I and you, using past tense to create distance and time, diminishing the force of speech by using hedge words such as perhaps, using slang to convey ingroup membership, and using inclusive forms (we and let’s) to include speaker and hearer.'