Monty Python explains the "rational actor" model

The Merchant Banker sketch from Episode 30 of "Monty Python's Flying Circus" (1972). The most analytically acute part of the sketch starts about a minute into the video clip, when a man turns up soliciting contributions for an orphanage.

(For a follow-up from 2012, see "Superman adopts the rational actor model".)  —Jeff Weintraub