Failure to form one's own identity leads to failure to form a shared identity with others, which could lead to instability in many areas as an adult. The identity formation stage of Erik Erikson's theory of psychosocial development is a crucial stage in life.
Since January 2017, 5 states (Alaska, Delaware, Montana, New Hampshire and Oregon) do not levy a sales tax, while Seattle Washington has the highest state sales tax rate at 10.4% (the territory of Puerto Rico has a higher 10.5% value added tax since April 2016).
As of September 2015, the states that do not have a state sales tax are Alaska, Delaware, Montana, New Hampshire and Oregon. Of these states, only Alaska has a range of local sales tax rates, from 0 to 7.5 percent. The others do not have any local sales taxes, according to the Sales Tax Institute.