@article{Sappington1980,
	title = {Precontractual information asymmetry between principal and agent : The Continuous Case},
	author = {David Sappington},
	journal = {Economics Letters},
	number = {4},
	pages = {371--375},
	url = {http://www.sciencedirect.com/science/article/B6V84-45GNXFD-62/2/afad2c5809e6714cce8d6e74c6b67a89},
	volume = {5},
	year = {1980},
	biburl = {http://www.bibsonomy.org/bibtex/29c5c5f09839a6315b4166b5ebe42e7e0/smicha},
	description = {Economics Letters},
	keywords = {imported }
}