Theory of Change An Essay by Aaron Swartz www.aaronsw.com A theory of change is the opposite of a theory of action — it works backwards from the goal, in concrete steps, to figure out what you can do to achieve it. To develop a theory of change, you need to start at the end and repeatedly ask yourself, “Concretely, how does one achieve that?” changegoals
All-use environments Until the nineteenth century, virtually all cities were “all use” environments. Craft-scale production was typically carried out in a workshop below the home of the craftsperson, which often also served as the site of exchange. Michael Sorkin, 20 Minutes in Manhattan Small economies productionwork