"Captive Market" is a science fiction short story by American writer Philip K. Dick, first published in the April 1955 issue of If and later in The Minority Report.[1][2] In it, an old woman uses her ability to travel through time to exploit a special market - a group of survivors in a post-apocalyptic world, struggling to repair a rocket to take them to Venus.[3]
^Dick, Philip K. (1991). "Captive Market". The Minority Report. The Collected Short Stories of Philip K. Dick. Vol. 4. Carol Publishing Group. pp. 37–51. ISBN0-8065-1276-8.