While lichen planus very rarely leads to oral cancer, irritation of lichen planus by tobacco and alcohol, poorly fitting dentures, and poor oral hygiene can turn lichen planus into the erosive type.
In economics, a deadweight loss (also known as excess burden or allocative inefficiency) is a loss of economic efficiency that can occur when equilibrium for a good or service is not achieved or is not achievable.he deadweight loss is the area of the triangle formed by the grey tax income box (to the right of it), the original supply curve, and the demand curve.
The âeconomic loss ruleâ provides that a party who suffers only economic harm may recover damages for. that harm based only upon a contractual claim and not on a tort theory, such as negligence or strict. liability. The law of torts provides a basis for recovering for personal injury or property damage.