Thirdly, banks are to hold a sufficient capital buffer - as outlined by global regulators - which means that if banks do fail, losses can be absorbed by shareholders and other creditors rather than the taxpayer.

BBC: Business

"Northern Ireland remains insulated from the worst of global economic shocks because our relatively larger public sector acts as a buffer, " Mr Kingon said.

BBC: 'Challenges ahead' for NI economy

Alternative energy can be a universal buffer against energy supply disruptions and price shocks, as well as broader economic volatility and global cyclicality.

FORBES: Alternative Energy And Global Energy Security In Aftermath Of Rio+20