Filth (novel) Stork Nightmares" and "Porno". Other minor characters mentioned in passing throughout "Filth" include: Simon "Sick Boy" Williamson (from "Trainspotting", "Skagboys" and "Porno"), "Juice" Terry Lawson (from "Glue" and "Porno"), Danny "Spud" Murphy (from "Trainspotting", "Skagboys" and "Porno"), and "Post" Alec Connolly, a recurring character in "Glue". A film adaptation of "Filth" was released on 27 September 2013. It is directed by Jon S. Baird, from a script he also wrote. Filth (novel) Filth is a 1998 novel by Scottish writer Irvine Welsh. A sequel, "Crime", was published in 2008. It was adapted into a 2013 film of the same name,
Rational addiction Rational addiction Rational addiction is the hypothesis that addictions can be usefully modeled as specific kinds of rational, forward-looking, optimal consumption plans. The canonical theory comes from work done by Kevin M. Murphy and Gary S. Becker. A theory of addictions in the broad sense—for example, to heroin, tobacco, religion, or food—the article tried to reconcile addictions with the standard rational choice framework of modern economics. Though controversial, this theoretical approach has become "one of the standard models in the literature on addictive behavior" in economics, and a variety of extensions and modifications have been developed and published by other