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.
Indeed, this question is at the root of welfare reform, since a family must be self-sufficient to stay off welfare. The purpose of this analysis is to establish a standard for economic self-sufficiency for various family types in Indiana's metropolitan statistical areas (MSAs), which are seen in Figure 1.