Articles

Articles 

70) Colombo, S. (2024). “Imperfect history-based price discrimination with asymmetric market shares” (joint with C. Graziano and A. Pignataro), Information Economics and Policy 67: 101092.

69) Colombo, S. (2024). “Information sharing, personalized pricing, and collusion” (joint with L. Filippini and A. Pignataro), Information Economics and Policy : 101032.

68) Colombo, S. (2023). “Location of firms and outsourcing” (joint with A. Mukherjee), Games 14: 70.

67) Colombo, S. (2023). "R&D investments with spillovers and endogenous product differentiation" (joint with L. Lambertini), Regional Science and Urban Economics, 98: 103861.

66) Colombo, S. (2023). “Patent licensing and capacity in a Cournot model” (joint with L. Filippini and D. Sen), Review of Industrial Organization 62: 45-62.

65) Colombo, S. (2023). “Transportation gas emissions with online retailing: a spatial model” (joint with Z. Hou), Spatial Economic Analysis 18: 7-22.

64) Colombo, S. (2023). “The impact of pandemics on the labour market: insights from an Italian company archive during the Spanish Flu” (joint with E. Berbenni), Letters in Spatial and Resource Sciences 16: n°11.

63) Colombo, S. (2023). “Competing or coopeting? Italian banking rivalry in Egypt, 1924-1940” (joint with E. Berbenni and C. Cantù), Journal of Management History 29: 205-231.

62) Colombo, S. (2022).  "Customer-based customization and price competition" (joint with P. Garella), Journal of Industrial Economics 70: 939-961.

61) Colombo, S. (2022). “Information accuracy and collusion” (joint with A. Pignataro), Journal of Economics & Management Strategy 31: 638-656.

60) Colombo, S. (2022). “Optimal city zoning and Big Data”, Journal of Urban Management 11: 269-277.

59) Colombo, S. (2022). “Prisoner dilemma in a vertical duopoly with managerial delegation”, Managerial and Decision Economics 43: 1476-1481.

58) Colombo, S. (2021). "Location-price equilibria when traditional retailers compete against an online retailer" (joint with Z. Hou),  Review of Industrial Organization 59: 483-502.

57) Colombo, S. (2021). “Equivalence between fixed fee and ad valorem profit royalty” (joint with S. Ma, D. Sen, and Y. Tauman), Journal of Public Economic Theory 23: 1052-1073.

56)  Colombo, S. (2021). “The impact of pandemics: revising the Spanish Flu in Italy in light of models' predictions, and some lessons for the COVID-19 pandemic" (joint with E. Berbenni), Journal of Industrial and Business Economics 48: 219-243.

55) Colombo, S. (2020). “Classic spatial models". In S. Colombo (Ed.), Spatial Economics - Theory (Vol. I), Palgrave Macmillan.

54) Colombo, S. (2020). “Competition between physical and internet retailers with heterogeneous customers” (joint with N. Matsushima), Review of Industrial Organization 57: 647-664.

• Media coverage: Antitrust and Competition Policy Blog.

53) Colombo, S. (2020). “Does licensing promote innovation?”, Economics of Innovation and New Technologies 29: 206-221.

52)  Colombo, S. (2019). “Raccolta e condivisione di Big Data: quali effetti sulla collusione?” (joint with A. Pignataro), Mercato Concorrenza Regole 21: 315-336.

51)  Colombo, S. (2019). “The choice between product and logistic innovation in a spatial model” (joint with L. Filippini), Journal of Industrial and Business Economics 46: 609-627.

50)  Colombo, S. (2019). “Strategic delegation under cost asymmetry revised”, Operations Research Letters 47: 527-529.

49)  Colombo, S. (2019). “On spatial competition with quadratic transport costs and one online firm” (joint with Z. Hou), Annals of Regional Science 63: 241-247.

48)  Colombo, S. (2018). “Behavior- and characteristic-based price discrimination”, Journal of Economics & Management Strategy 27: 237-250.

47)  Colombo, S. (2018). “Managerial delegation under capacity commitment: a tale of two sources” (joint with M. Scrimitore), Journal of Economic Behavior & Organization 150: 149-161.                                                                                       

46)  Colombo, S. (2018). “Infinite asymmetric equilibria in mixed oligopoly”, Bulletin of Economic Research 70: E114-E118.

45)  Colombo, S. (2018). “La gestione dei rifiuti di imballaggio in Italia: profili e criticità concorrenziali” (joint with M. Grillo, G. Olivieri and S. Scalzini), LUISS Law Review 1: 7-55.

• Media coverage: Sole 24 ore.

44)  Colombo, S. (2017). “Taxi, NNC, Uber: scontro finale o alba di coesistenza?” (joint with A. Boitani), Mercato Concorrenza Regole 19: 61-78.

43)  Colombo, S. (2017). “Traditional banks, online banks, and number of branches”, Journal of Industrial and Business Economics 44: 175-197.

42)  Colombo, S. (2017). “Should I stay or should I go? Founder’s decision to exit from an entrepreneurial venture during an industrial crisis” (joint with L. Grilli), Industry and Innovation 24: 97-121.

41)  Colombo, S. (2016). “Does behaviour-based price discrimination foster firms differentiation?”, Bulletin of Economic Research 68: 111-122.

40)  Colombo, S. (2016). “A model of three cities: the locations of two firms with different types of competition”, International Regional Science Review 39: 386-416. 

39)  Colombo, S. (2016). “Intra-competitiveness and inter competitiveness among mutual banks: the case of Trento” (joint with G.P. Barbetta, L. Colombo and M. Grillo), International Review of Economics 63: 195-214.

38)  Colombo, S. (2016). “Imperfect behavior-based price discrimination”, Journal of Economics & Management Strategy 25: 563-583.

37)  Colombo, S. (2016). “Mixed oligopolies and collusion”, Journal of Economics 118: 167-184.

36)  Colombo, S. (2016). “Revenue royalties” (joint with L. Filippini), Journal of Economics 118: 47-76.

35)  Colombo, S. (2016). “Location choices with non-linear demand function”, Papers in Regional Science 95: S215-S226.

34)  Colombo, S. (2015). “A comment on the locations of firms in Cournot spatial discrimination models”, Letters in Spatial and Resource Sciences 8: 119-124.

33)  Colombo, S. (2015). “Patent licensing with Bertrand competitors revisited”, Australian Economic Papers 54: 38-42.

32)  Colombo, S. (2015). “Should a firm engage in behaviour-based price discrimination when facing a price discriminating firm? A game-theory analysis”, Information Economics and Policy 30: 6-18.

31)  Colombo, S. (2015). “Patent licensing with Bertrand competitors” (joint with L. Filippini), The Manchester School 83: 1-16.

30)  Colombo, S. (2014). “Licensing and innovation: a comment” (joint with L. Filippini), Economics Letters 125: 353-356.

29)  Colombo, S. (2014). “Network externalities, incumbent’s advantage and the degree of openness of open source software start-ups” (joint with L. Grilli and C. Rossi-Lamastra), Computational Economics 44:175-200.

28)  Colombo, S. (2014). “Fee versus royalty licensing in spatial Cournot competition”, Annals of Regional Science 52:859-879.

27)  Colombo, S. (2013). “Spatial Cournot competition with non-extreme directional constraints”, Annals of Regional Science 51: 761-774.

26)  Colombo, S. (2013). “Product differentiation and collusion sustainability when collusion is costly”, Marketing Science 32: 32: 669-674.

25)  Colombo, S. (2013). “Fee versus royalty licensing in a Cournot duopoly model with a commitment of no production” (joint with L. Filippini), Economics Bulletin 33: 2122-2128. 

24)  Colombo, S. (2013). “Differentiated Bertrand markets: restoring the Minimum Differentiation Principle”, Letters in Spatial and Resource Science 6: 103-108.

23)  Colombo, S. (2013). “Predation in space”, Spatial Economic Analysis 8: 9-22. 

22)  Colombo, S. (2013). “Cartels in the unidirectional Hotelling model”, Economic Modelling 31: 690-696. 

21)  Colombo, S. (2012). “A comment on welfare reducing licensing”, Games and Economic Behavior 76: 515-518. 

20)  Colombo, S. (2012). “Colluding on a Price Increase”, Journal of Industry, Competition and Trade 12: 365-371. 

19)  Colombo, S. (2012). “Collusion in two models of spatial competition with quantity-setting firms”, Annals of Regional Science 48: 45-69. 

18)  Colombo, S. (2012). “An indifference result concerning collusion in spatial frameworks”, Research in Economics 66: 18-21.  

17)  Colombo, S. (2012). “On optimal zoning with Cournot competitors”, Letters in Spatial and Resource Sciences 5: 113-118. 

16)  Colombo, S. (2011). “Spatial price discrimination in the unidirectional Hotelling model with elastic demand”, Journal of Economics 102: 157-169. 

15) Colombo, S. (2011). “Taxation and predatory prices in a spatial model”, Papers in Regional Science 90: 603-612.                                                                        

14)  Colombo, S. (2011). “Discriminatory prices and the prisoner dilemma problem”, Annals of Regional Science 46: 397-416. 

13)  Colombo, S. (2011). “Pricing Policy and Partial Collusion”, Journal of Industry, Competition and Trade 11: 325-349. 

12)  Colombo, S. (2011). “On the rationale of spatial discrimination with quantity-setting firms”, Research in Economics 65: 254-258. 

11)  Colombo, S. (2011). “Network externalities and differentiation in an entry model”, Economics Bulletin 31: 75-84. 

10)  Colombo, S. (2011). “Spatially asymmetric firms and the sustainability of a price agreement”, Economics Bulletin 31: 2414-2421. 

9) Colombo, S. (2011). “Direct price discrimination in the Hotelling model: competition and collusion”, Rivista di Politica Economica, September: 319-334.

8)   Colombo, S. (2010). “Product differentiation, price discrimination and collusion”, Research in Economics 64: 18-27. 

7)   Colombo, S. (2010). “A note on information of firms and collusion”, Economics Bulletin 30: 1603-1608.

6)   Colombo, S. (2010). “Tax effects on equilibrium locations”, Journal of Economics 101: 267-275. 

5)  Colombo, S. (2010). “Discriminatory prices, predation and signal-jamming in a horizontal differentiation model”, Journal of Industry, Competition and Trade 10: 87-104. 

4)   Colombo, S. (2009). “Firms’ symmetry and sustainability of collusion in a Hotelling duopoly”, Economics Bulletin 29: 338-346.  

3)  Colombo, S. (2009). “On the effects of selective-below cost pricing in a vertical differentiation model”, Economics: The Open-Access, Open-Assessment E-Journal 3: 1-13.

2) Colombo, S. (2009). “Sustainability of collusion with imperfect price discrimination and inelastic demand functions”, Economics Bulletin 29: 1691-1698.

1)  Colombo, S. (2009). “The unidirectional Hotelling model with spatial price discrimination”, Economics Bulletin 29: 3031-3040.

Revised-and-resubmitted papers

• Colombo, S. (2024). “Misleading pricing and customer recognition” (joint with L. Filippini and A. Pignataro), revised and resubmitted to International Journal of Research in Marketing.

Encyclopedia entries 

• Colombo, S. (2024). “Spanish Flu” (joint with E. Berbenni) in The SAGE Encyclopedia of Environmental Justice, edited by D. Taylor. Thousand Oaks: Sage. 

• Colombo, S. (2024). “Spatial competition (Hotelling model)” in The World of Regional Science – The Thematic Encyclopedia of Regional Science , edited by P. Nijkamp, K. Kourtit, K. Haynes, and Z. Elburz. Edward Elgar.

Edited books 

Colombo, S. (2020). Spatial Economics - Theory (Vol. I), Palgrave Macmillan.

Colombo, S. (2020). Spatial Economics - Applications (Vol. II), Palgrave Macmillan

Book 

Colombo, S., Anolli, M., Baglioni, A., Banfi, A., Beccalli, E., Bellavite Pellegrini, C., Boitani, A., Gualtieri, P., Lionzo, A., Monticini, A., Perrone, A., Savelli, N., Sbuelz, A., Sciarrone Alibrandi, A., (2021). Denaro, Rischio, Sostenibilità, Vita e Pensiero.