Same Facts, Different Price
TL;DR for operators A pricing agent can receive the same underlying market facts and still behave differently because those facts arrive in a different format, order, or textual context. Lee and Park call this market signal injection: presentation-level manipulation of LLM pricing inputs without an explicit instruction to set a particular price.1 Their simulations show that the effect can extend beyond the manipulated agent. Under undefended sentiment-context attacks, non-target firms’ mean price shifts were about 83–99% of the target firm’s shift in duopoly and 65–99% in triopoly. ...