Hollywood goes on strike as actors join writers on picket lines, citing ‘existential threat’ to profession? ?Both sides engaged in intensive negotiations

“Hollywood goes on strike as actors join writers on picket lines, citing "existential threat" to profession 

 Both sides engaged in intensive negotiations. Why then is it called collective bargaining? was this a distributive or integrative? From the actors/actress perspective, do they want to claim value or create value?  In this situation, you have been brought in as a mediator. You are going to help identify a solution between the groups.