Per mostly harmless page 235, you could consider the "treatment" group as a sliding scale of the degree of fishing pressure, where 1 is fished like hell, 0 is lightly fished, and things go in between. In their example the treatment is the proportion of the population that would be affected by a minimum wage increase.
Per mostly harmless page 235, you could consider the "treatment" group as a sliding scale of the degree of fishing pressure, where 1 is fished like hell, 0 is lightly fished, and things go in between. In their example the treatment is the proportion of the population that would be affected by a minimum wage increase.