I then focus on comparisons across groups of states.
The two groups of states have about the same number of children, the researchers said.
Regional carbon markets involving countries or groups of states can move things in the right direction.
If California is added to the groups of states with marriage equality, that group would encompass almost twenty-eight per cent of the U.S. population.
The expansion of emissions trading was slowed significantly by the US decision to abandon a proposed national policy, although groups of states have set up regional schemes.
Individual states, or groups of states, would adhere to this regime as a minimum baseline for all armed conflicts through legally binding unilateral declarations.
Indicators were summed into four standardized subindices, and cluster analysis was used to identify groups of states with similar policy profiles.
Plans may be sold nationally, in groups of states or a single state, according to senior Labor Department officials who briefed reporters on the condition of anonymity.
States that run their own insurance marketplaces would be unaffected by a court ruling, meaning a widening gap between insurance coverage in the two groups of states.
The alternative is to break up the single currency, devolve power back to individual nations or groups of states with convergent economies, and start again.
