Paul Beaudry and John DiNardo, “The Effect of Implicit Contracts on the Movement of Wages over the Business Cycle: Evidence from Micro Data,” Journal of Political Economy 99, no. 4 (1991): 665–688. См. также: Darren Grant, “The Effect of Implicit Contracts on the Movement of Wages over the Business Cycle: Evidence from the National Longitudinal Surveys,” ILR Review 56, no. 3 (2003): 393–408.