Final answer:
The Hedley Byrne & Co. Ltd. v. Heller & Partners case set a precedent in establishing that a party can be liable for economic loss due to negligent misinformation, given a 'special relationship' and reliance by the other party.
Step-by-step explanation:
The principles of law that are established by the case Hedley Byrne & Co. Ltd. v. Heller & Partners revolve around negligence and duty of care in the context of economic loss due to misinformation. Specifically, the case established that a party can be held liable for losses triggered by misinformation if there is a "special relationship" between the parties, and if the party providing information did so knowing that it would be relied upon without any disclaimer of responsibility. This landmark ruling contributed significantly to the development of the law of negligence, particularly concerning financial and economic interests.