10.2190/QE6L-QTP4-KC82-J9BJ QE6LQTP4KC82J9BJ 0 THE RELATIONS BETWEEN SUPERVISOR AND RANK-AND-FILE UNIONS DURING CONTRACT NEGOTIATIONS: A CASE STUDY ANALYSIS 20020509 20020509 20020509 20020509 http://baywood.metapress.com/link.asp?target=contribution&id=QE6LQTP4KC82J9BJ 1 HINDY LAUER SCHACHTER This article analyzes interunion conflict/cooperation patterns relating to contract negotiations. The case study of police and school bargaining in New York presented here suggests that supervisor unions have their own values and priorities. When their goals conflict with those of the larger union representing the rank and file, they often pursue very different strategies. If we are to understand the particular influence supervisor unions have on the development of urban policies, we must study them directly.