This week, we are continuing our dive into attribution, which is the impact an intervention or program has on a population – in our case, efficiency programs in a service territory or state. Last week, I used the term comparison group rather than control group. They can be used interchangeably and sometimes erroneously. A comparison group is a baseline to observe what happens in absence of intervention. It avoids guessing counterfactuals and unobservables altogether. The Unobservable My example of a comparison group was Fox Cities, WI to observe the impacts of a pizza-promotion intervention in La Crosse, WI. For purposes…
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