Cattle can only move onto a TB restricted farm prior to the completion of a veterinary risk assessment and completion of a TB test, carried out 60 days after an infected animal has left the farm.

BBC: Bovine TB controls 'strangling farming' says NFU Cymru

The fatal tower block fire triggered a dramatic increase in completion of fire risk assessments, but questions have been raised about how credible those assessments were, the coroner heard.

BBC: Lakanal House Fire: 'No fire risk assessment' done of tower

Building condos also takes longer than a single-family home, leaving the developer at risk should the market sour before completion.

WSJ: Toll Brothers Goes Condo

It took away a lot of the risk in the play by drilling 36 producing wells so far and 10 awaiting completion.

FORBES: Texas Billionaire Sees Big Payday Dealing Eagle Ford Acres To Marathon Oil

The lower the risk, the more investment they can generate and the closer they are to bringing their project to completion.

FORBES: The Value of Interdisciplinary Thinking -- Even When it's Wrong