This has been credited with helping to provide an incentive for development, avoiding the obstacles faced by companies hoping to frack for shale gas.

These tricks will give your pad the wow factor - each for less than 50 - and will provide the incentive needed to tempt potential buyers.

One can only hope that consumers’ growing curiosity will someday soon provide the incentive for answering these questions.

That would avoid the risks created by the proposed changes and would provide some incentive to carry out routine maintenance works.

It might provide that incentive, that little extra push, at the margin and help to establish the norm.