Field | Before | After |
---|---|---|
Field Last Published | Before August 21, 2014 09:55 AM | After August 21, 2014 09:57 AM |
Field Final Sample Size (or Number of Clusters) by Treatment Arms | Before | After Approximately 1000 enforcement letter and two different reciprocity letters, 700 tax morale letter, 800 placebo letter, 1600 control group |
Field Do all standard errors account for clustering? | Before | After No |