Risk aversion and optimal forest replanting: A stochastic efficiency study. - Gudbrand Lien; S. Størdal; J. Brian Hardaker; L. J. Asheim (Eur. J. Oper. Res., 2007)

Risk programming analysis with imperfect information. - Gudbrand Lien; J. Brian Hardaker; Marcel A. P. M. van Asseldonk; James W. Richardson (Ann. Oper. Res., 2011)

Does risk management affect productivity of organic rice farmers in India? Evidence from a semiparametric production model. - Gudbrand Lien; Subal C. Kumbhakar; Ashok K. Mishra; J. Brian Hardaker (Eur. J. Oper. Res., 2022)