• Anatomy of cartel contracts 

      Hyytinen, Ari; Steen, Frode; Toivanen, Otto (Working paper;49/13, Working paper, 2013-12)
      We study cartel contracts using data on 18 contract clauses of 109 legal Finnish manufacturing cartels whose legal status is reminiscent of e.g. the U.S Sugar Institute. One third of the clauses relate to raising profits; ...
    • Anatomy of cartel contracts 

      Hyytinen, Ari; Steen, Frode; Toivanen, Otto (Discussion paper;25/2012, Working paper, 2012-12)
      We study cartel contracts using data on 18 contract clauses of 109 legal Finnish manufacturing cartels. One third of the clauses relate to raising profits; the others deal with instability through incentive compatibility, ...
    • Cartels uncovered 

      Hyytinen, Ari; Steen, Frode; Toivanen, Otto (Working paper, Working paper, 2011-03)
      How many cartels are there? The answer is important in assessing the need for competition policy. We present a Hidden Markov Model that answers the question, taking into account that often we do not know whether a cartel ...
    • Cartels uncovered 

      Steen, Frode; Toivanen, Otto; Hyytinen, Ari (Discussion paper, Working paper, 2010-03)
      How many cartels are there? The answer is important in assessing the efficiency of competition policy. We present a Hidden Markov Model that answers the question, taking into account that often we do not know whether a ...