closed shop
definition: A closed shop refers to a business or organization in which all employees are required to become union members as a precondition of employment. A related term, a union shop, refers to businesses or organizations in which employees are not required to be union members when they are initially hired but must become union members shortly after being hired in order to maintain their jobs. [Source: Encyclopedia of Education Law; Closed Shop]
broader: shop arrangements
broader: collective bargaining
type: Concept

collective bargaining
type: Concept
narrower: closed shop

shop arrangements
type: Concept
narrower: closed shop

concepts
type: Collection
type: ConceptGroup
member: closed shop