1. Akerlof, G. A. (1970). The market for ‘lemons’: Quality uncertainty and the market mechanism. Quarterly Journal of Economics,84, 488–500.
2. Calfas, J. (2017). A Leonardo da Vinci Painting Just Sold for $450 Million. Here’s how experts figured out it was real, Time (November 17).
http://time.com/5028341/leonardo-da-vinci-salvator-mundi-authentication/
. Accessed 5 June 2018.
3. Chamberlin, E. H. (1934). The theory of monopolistic competition: A re-orientation of the theory of value. Cambridge: Harvard University Press.
4. Cohen, R. (2013). Bernard Berenson: A life in the picture trade. New Haven: Yale University Press.
5. Cole. (2018). Leonardo’s Salvator Mundi: Expert uncovers ‘exciting’ new evidence. The Art Newspaper (August 30).