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).
At the state level, all (including District of Columbia, Puerto Rico, and Guam) but five states do not have statewide sales tax. These are Alaska, Delaware, Montana, New Hampshire, and Oregon. States that impose sales tax will have different rates, with the addition of local or city sales tax in most states.