The Broken Window
That Which is Seen, and That Which is Not Seen
In the department of economy, an act, a habit, an institution, a law, gives birth not only to an effect, but to a series of effects. Of these effects, the first only is immediate; it manifests itself simultaneously with its cause - it is seen. The others unfold in succession - they are not seen: it is well for us, if they are foreseen.