Among them are that higher levels of labour turnover in a tight market disrupt productivity performance across firms; or that changed regulations (e.g. new accounting standards, tougher requirements to demonstrate appropriate corporate governance and so on) are using resources without adding to output.
As Tommaso observed, there is a limit to what individual nation states can provide as global public goods. A coherent set of public goods provided by a single global public entity would be desirable, but there is no workable way of introducing such an arrangement consistent with our democratic principles. International organizations are often criticized for deficits in democratic accountability.