The steady decline in union membership has had a ripple effect on wages of nonunion workers, costing them a potential $14 to $52 a week in pay, according to a report this week by a Washington think tank.

The Arizona Supreme Court ruled Tuesday that cities can pay public employees to work on union business.

A years-long battle between organized labor and health care companies in California has spilled over into Arizona in the form of a proposed ballot measure that would severely restrict how much hospitals can pay their executives.

The state court of appeals on Tuesday upheld a judge's ruling permanently blocking Phoenix from paying police officers for doing union work, a decision that could bar county and city governments from writing similar provisions into their union contracts.

Justices peppered both sides with questions Tuesday as the Supreme Court grappled with a case that could legalize same-sex marriage in every state, two years after overturning a federal ban on such unions.

The House has passed a bill preventing cities and towns from requiring union contractors for public works projects.

An Arizona Supreme Court ruling that struck down a 2011 pension reform law as unconstitutional is leading lawmakers and public safety employee groups to consider new possibilities.

Union lawyers are planning to ask a federal judge for attorney fees for beating the state in court, raising the potential for taxpayers to pay large sums for a series of lawsuits that haven’t gone the state’s way.

A judge has blocked Phoenix from paying police officers for union work they have been doing while on duty.

A federal judge handed Arizona unions a legal victory by finding two 2011 bills regulating paycheck deductions and picketing unconstitutional.