1George AkerloL The Market for izemons: Quality Uncertainly and the Market Mechanism [J].Quarterly Journal of Economics, 1970, 84(8):485-500.
2Zeithaml V. A. Consumer Perception of Price, Quality and Value: A Means end Model and Synthesis of Evidence[J]. Journal of Marketing, 1988, 52 (7):2-221.
3Michael Spence. Market Signaling: The Information Structure of Job Markets and Related Phenomena [M]. Cambridge, MA, USA : Han'ard University Press, 1972: 9-16.