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.
With its scores of original interviews and empathy for people who want to be in greater control of their lives and its sensible, workable reform agenda, The Human Cost of Welfare is a must-read for anyone interested in making government more accountable and improving the lives of the poorest Americans. - Reason TV.