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.
In a closed economy, private saving is. a. the amount of income that households have left after paying for their taxes and consumption. b. the amount of income that businesses have left after paying for the factors of production. c. the amount of tax revenue that the government has left after paying for its spending.