Supermodularity And Complementarity

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Firm Sorting and Agglomeration (2018, unknown): “This result comes from a classic theorem in monotone comparative statics (Topkis (1998)).”
Institutional complementarities in the dynamic comparative analysis of capitalism (2015, methodology): “Deﬁning institutions as equilibrium strategies in a game and using the supermodularity technique developed by Topkis (1998), one can analyse how the equilibrium strategies of agents in one area is complementary or conditional on the strategies of other agents in the same or another area.”
Complementary or Substitutive Effects? Corporate Governance Mechanisms and Corporate Social Responsibility (2018, methodology): “Our tests based on interactive effects rely on one of the most commonly used complements/substitutes assessment models in the field of economics (for details, see Topkis, 1998; Vives, 1990).”
Discrete convex analysis: A tool for economics and game theory (2016, background): “…backgrounds are referred to Rockafellar (1970) for convex analysis, Schrijver (1986) for linear and integer programming, Korte & Vygen (2012) and Schrijver (2003) for combinatorial optimization, Oxley (2011) for matroid theory, and Fujishige (2005) and Topkis (1998) for submodular function theory.”