But the report also says the EEA has ensured "a stable and relatively predictable framework" for relations with the EU, its most important economic partner.
The unintended result could be a higher rate of production accidents, with devastating consequences for both near-term development and the public confidence required for a stable and constructive tax and regulatory framework.
Scotland will have a strong, stable and modern economy with a regulatory framework which meets best practice: allowing businesses to prosper while providing robust safeguards for Scotland's people.
That's because, one way or another, they all go to the Achilles heel of the UK economy: "A failure to achieve stable planning, strategic vision and a political consensus on the right policy framework to support growth".