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Fines Imposed on Counterfeiters and Pocketed by the Genuine Firm. A Differential Game Approach

  • Marta Biancardi
  • Andrea Di LiddoEmail author
  • Giovanni Villani
Article
  • 15 Downloads

Abstract

We consider competition between a legal firm that sells a product protected by intellectual property rights (IPR) laws and a counterfeiter who illegally copies and sells products without the permission of the brand-name producer. Each time the counterfeiter is caught, the payment of a fine proportional to the amount confiscated and to the price of the original goods is imposed. However, fines are pocketed by the legal firm. In this paper, a differential game is studied in which both firms compete for prices while the legal firm invests in advertising to increase goodwill and, accordingly, demand. Based on this, a feedback Nash equilibrium is computed and discussed. Unfortunately, the analytical results are too complex to allow an explicit comparison between the payoff of the producer with and without the presence of counterfeiting. However, through some numerical simulations, it is shown that, under specific values for the parameters of the model, the genuine producer can be also better off in the presence of counterfeiting rather than in its absence.

Keywords

Differential games Counterfeiting Fines Intellectual property rights Numerical simulations 

Mathematics Subject Classification

91A23 91A80 

JEL Classification

C73 D23 

Notes

Acknowledgements

The authors thank the anonymous referees who have contributed, with their valuable observations and suggestions, to significantly improve this paper.

Supplementary material

13235_2019_310_MOESM1_ESM.pdf (228 kb)
Supplementary material 1 (pdf 228 KB)

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Department of EconomicsUniversity of FoggiaFoggiaItaly
  2. 2.Department of Economics and FinanceUniversity of BariBariItaly

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