2013

• Lecture
  Belsom, Einar. (2013) Perspectives on the Norwegian Economy. Europe3D Norway, Trondheim , NTNU Gløshaugen 2013-02-26 - 2013-03-03

2011

• Interview
  Belsom, Einar; Strønen, Fred H.. (2011) Smartere lederlønninger. Ukeavisen ledelse Ukeavisen ledelse [Journal] 2011-02-11

2010

• Interview
  Belsom, Einar; Strønen, Fred H.. (2010) Bonuser ødelegger indre motivasjon http://e24.no/jobb/article3819534.ece. e24 (internett) e24 (internett) [Journal] 2010-09-20
• Interview
  Belsom, Einar; Strønen, Fred H.. (2010) Mener opsjoner er å drive lotteri. Nationen Nationen [Journal] 2010-09-20
• Academic lecture
  Belsom, Einar; Strønen, Fred H.. (2010) Eierstyring via opsjonslønn – samfunnsmessig legitimitet?. Fra ledelse til styring , Oslo 2010-10-21 - 2010-10-21

2004

• Academic lecture
  Belsom, Einar. (2004) Superlative Decomposition of the Fisher Productivity Index. North American Productivity Workshop 2004 , Toronto 2004-06-22 - 2005-06-25

2003

• Academic lecture
  Belsom, Einar. (2003) Continuous time foundation of discrete time indices of productivity and technological change. VIII European Workshop on Efficiency and Productivity Analysis (8EWEPA) , Oviedo, Spania 2003-09-27 -

1999

• Academic lecture
  Belsom, Einar. (1999) Continuous Time Data Envelopment Analysis. International Federation of Operational Research Societies 15th Triennial Conference , Beijing, China, August 20, 1999
• Poster
  Belsom, Einar. (1999) Nonparametric Continuous Time Productivity Measurement Based on Discrete Data. Sixth European Workshop on Efficiency and Productivity Analysis , Copenhagen, Denmark, October 31, 1999