Flowchart for Deciding Party Identity after a Split, a Merger, or a Change in Party Name 

a party at time t is equivalent to one at time t+ 1 year, if there is a large degree of overlap between the two sets of activists at both time pointswith "activists" defined as leaders plus their active supporters. 

Parties with the same names at time t and at time +1 year are regarded as the same, unless the set of activists has changed. 


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