Washington state lawmakers had been debating a proposed “millionaire’s tax” for 23 hours straight when Starbucks Corp. founder Howard Schultz said he was leaving the state to move to Miami.

His relocation is part of a growing trend among the country’s wealthiest residents.

The founder of Starbucks announced he was moving to Florida just as Washington state Democrats voted to create the state's first income tax, targeting those who make more than $1 million a year.

Is Starbucks expanding to Tennessee because of Washington State’s proposed 9.9% millionaire tax? A closer look at tax policy, capital flight, and corporate strategy.