Abstract: Short Retraction Notice The paper does not meet the standards of "Theoretical Economics Letters". This article has been retracted to straighten the academic record. In making this decision the Editorial Board follows COPE's Retraction Guidelines. The aim is to promote the circulation of scientific research by offering an ideal research publication platform with due consideration of internationally accepted standards on publication ethics. The Editorial Board would like to extend its sincere apologies for any inconvenience this retraction may have caused. Editor guiding this retraction: Prof. Moawia Alghalith (EiC of TEL) The full retraction notice in PDF is preceding the original paper, which is marked "RETRACTED".
 Aghion, P. and Holden, R. (2011) Incomplete Contracts and the Theory of the Firm: What Have We Learned over the Past 25 Years? Journal of Economic Perspectives, 25, 181-197. http://dx.doi.org/10.1257/jep.25.2.181
 Hart, O. and Moore, J. (2008) Contracts as Reference Points. Quarterly Journal of Economics, 123, 1-48.