Interactive Decision-Tree Implementation of Figure 3.1:
Flowchart for Deciding Party Identity after a Split, a Merger, or a Change in Party Name


Page 20 of the text says,

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 points--with "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.

If YES, go here

 

 

 

 

If NO, go here

 Leave the interactive decision tree; return to page 21