Generate text that refutes this claim: Economic efficiency  A Unified Ireland would be better off economically. “Ireland is too small for two separate administrations….There is a draw towards the greater integration of services, structures and bodies on an all-Ireland basis in order to deliver quality services and economies of scale.” – Martin McGuinness, Deputy First Minister for Northern Ireland*  Having two electricity grids, two transport networks, two separate police and judiciary hamper economic growth and waste resources that could be better used in a unified system, as cost would lower as efficiency rises.  *McGuinness, 2010,
europe politics government local government house believes northern ireland
If you were to adopt a federal system, which would best please Unionists, the systems would not integrate very much anyway as Northern Irish ‘states’ would want their own state constitution and have separate judiciary to the rest of Ireland, as is the practice in the US.