CV

Personal information:

Place and date of birth: Magenta (Italy), 25/6/1981

Married to Roberta, five sons (Cristiano, 2014, Celeste, 2016, Miriana, 2018, Damiano, 2020, Benedetto, 2023)

E-mail: stefano.colombo@unicatt.it 

              stefano.colombo.economics@gmail.com

Current academic position

Full Professor of Economics, Università Cattolica del Sacro Cuore

Expert of the "Scientific Journals" Working Group (2024-2027) - Area 13 (Economic Sciences and Statistics), National Agency for Evaluation of the University and Research System (ANVUR).

Previous academic positions

Associate Professor of Economics, Università Cattolica del Sacro Cuore

Assistant Professor of Economics, Università Cattolica del Sacro Cuore 

Post-doc, Università Cattolica del Sacro Cuore 

Education

 Ph.D. in Economics, Università Cattolica del Sacro Cuore

Laurea in Economics, Statistics and Social Sciences, Università Bocconi (grade: 110/110, cum laude)

Diploma Maturità Classica, Liceo G. Galilei, Legnano (grade: 100/100)

Research interest:

Antitrust

Industrial Organization

Economics of Business and Marketing

Spatial Economics

Regional Science

Game Theory

Awards and honours

·         Ranked among world Top 100 authors by number of 10 core regional science publications (Source: Rickman, D.S. and J.V. Winters, 2016, “Ranking authors and institutions by publications in regional science journals: 2010-2014”, Growth and Change 47: 312-336).

·         Ranked #1 (ex aequo) in the category “Top authors in Spatial Competition: 1979-2011” (Source: Biscaia, R. and I. Mota, 2013, “Models of spatial competition: a critical review”, Papers in Regional Science 92: 851-871).

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 66: 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.

• Colombo, S. (2024). “Does online third-degree price discrimination improve welfare?”, revised and resubmitted to Economics Bulletin.

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.

Teaching experience

Current:

.         Microeconomics, Università Cattolica del Sacro Cuore, Milan

.         Advanced Microeconomics, Università Cattolica del Sacro Cuore, Milan

.         Game Theory, Università Cattolica del Sacro Cuore, Brescia

.          Industrial Economics, Università di Milano-Bicocca, Milan

.         Economics, Politecnico di Milano, Milan

Past:

·         Spatial Economics, Università Cattolica del Sacro Cuore, Milan 

·         Incentive Theory, Università degli Studi di Milano, Milan

·         Tourism Economics, Università degli Studi di Milano-Bicocca, Milan

·         Public Economics, Università di Milano-Bicocca, Milan

·         Microeconomics, Università di Milano-Bicocca, Milan

·         Microeconomics, Università dell’Insubria, Varese

Visiting positions 

·         ISER, Osaka University, Japan (december 2019)

Ph.D. Supervision

·         Zemin Hou, Northwestern University, China

Ph.D. Scientific Board 

·         Member of the scientific board of the PhD in Economics and Finance (DEF) at Università Cattolica del Sacro Cuore.

Ph.D. Examination Committe

·         Università di Pavia, candidates Eliana Quintilii and Isabella Bianco.

·         Università del Salento, candidates Marta Montinaro and Stefano Quarta.

Consultancy

CONAI, Euricse, Vodafone Italy, Ergon, Telecom. 

Public report

Member of the AAI (Associazione Antitrust Italiana) group publishing "DRAFT REVISED RULES ON HORIZONTAL COOPERATION AGREEMENTS BETWEEN COMPANIES-OBSERVATIONS FROM THE ITALIAN ANTITRUST ASSOCIATION" (26-4-2022).  

Editorship

Advisory Editor: Economia e Politica Industriale – Journal of Industrial and Business Economics. 

Seminars and Conferences

STOREP 2024 Conference, Milano, Italy; Manifesto and research frontiers for a Renaissance in Economics Conference, Perugia, Italy; 9th Euro-African Conference on Finance and Economics/Mediterranean Workshop in Economic Theory, Rennes School of Business, France; Università Cattolica del Sacro Cuore, Milano; University of Reading, UK (invited speaker); SIE LXIV Conference, L'Aquila, Italy; SIEPI XXI Workshop, Napoli, Italy; XX Taipei Regional Science Conference, Academia Sinica, Taipei, Taiwan (invited speaker); Univerity of Genova (invited speaker); Second Global Conference on Regional Development, 2023, Shenzhen, China (invited speaker); Third Big Data and Industrial Innovation International Conference, China University of Political Science and Law, Beijing, China (invited speaker); AISRE Conference 2022, Politecnico di Milano, Italy; ERSA Conference 2022, Pecs, Hungary; Associazione Francesca Duchini Studio del Pensiero Economico, Università Cattolica del Sacro Cuore (invited speaker); DATEPP seminar, Università di Padova (invited speaker; online); Second Big Data and Industrial Innovation International Conference, China University of Political Science and Law, Beijing, China (invited speaker; online); Workshop on Licensing and Innovation, Stony Brooks, New York, US (online); NESPUTT Conference, Milano, Italy (invited speaker); SIET XXI Conference, Bologna, Italy; First International Workshop in Law & Economics, Grenoble, France; SIEPI XVII Workshop, Università di Roma Tre, Italy; XII International Conference in Game Theory and Management, Saint Petersburg, Russia; OLIGO Workshop, Piraeus, Greece; Univesità Cattolica del Sacro Cuore, Milano, Italy; IBEO Workshop, Alghero, Italy; Senato della Repubblica, Roma, Italy (invited speaker); 2017 SWISS IO Day, Bern, Switzerland; ASSET Conference, Thessalonika, Greece; 57th RSA Società Italiana di Economia, Milano, Italy; XXX1 Journadas de Economia Industrial, Palma de Mallorca, Spain; VII NERI Workshop, Rome, Italy; GAM-SOC 2015, Corvinus University, Budapest, Hungary; Università del Salento, Lecce, Italy (invited speaker); FINKT Conference, Rimini, Italy; MaCCI Conference, Mannheim, Germany; ASSET Meeting, Aix-en-Provence, France; Industrial Organization: Theory, Empirics, and Experiments, Alberobello, Italy; SIDE-ISLE 9th Annual Conference, Lugano, Switzerland; Centre for competition and regulatory policy workshop, Milano, Italy (invited speaker); INTERTIC, Venice, Italy (invited speaker); EARIE, Roma, Italy; International Industrial Organization Conference, Arlington, VA, US; University of Pretoria, South Africa (invited speaker); Milan Microeconomics Workshop, Milano, Italia; DIG Seminar, Politecnico di Milano, Italy (invited speaker); Central European Programme in Economic Theory (CEPET) Workshop, Udine, Italy; Centre for Competition Policy’s New Researchers Workshop, University of East Anglia, Norwich, UK (invited speaker); XX Annual Conference of the Italian Society of Public Economics, Pavia, Italy; Italian Doctoral Workshop in Economics and Policy Analysis, Collegio Carlo Alberto, Università di Torino, Italy; SIEPI V Doctoral Seminar, Università di Siena, Italy; Università di Milano-Bicocca, Milano, Italy (invited speaker); International Doctoral Meeting of Economics, Management and Finance, Montpellier, France; Università di Bergamo, Italy (invited speaker).

Refereeing activity

Journals: Management Science (x3), International Economic Review, International Journal of Industrial Organization (x7), Scandinavian Journal of Economics (x3), Journal of Business Venturing, Journal of Economics & Management Strategy (x13), European Journal of Operational Research (x16), Economics Letters (x2), Journal of Evolutionary Economics, Southern Economic Journal (x2), Information Economics and Policy (x4), Canadian Journal of Economics, Journal of Regulatory Economics (x5), Economic Inquiry (x7), Journal of Public Economic Theory (x3), Energy Economics, Review of Industrial Organization (x7), Mathematical Social Sciences, Regional Science and Urban Economics, International Journal of Economic Theory, Journal of Institutional and Thereotical Economics, Australian Economic Papers (x9), Economics of Innovation and New Technology (x21), Annals of Regional Science (x25), Papers in Regional Science (x7), Regional Studies, International Regional Science Review, Review of Networks and Spatial Economics, Spatial Economic Analysis (x3), The Manchester School (x10), Journal of Small Business Management (x2), Review of International Economics, Bulletin of Economic Research (x13), Research in Economics (x2), Journal of Economics (x17), Review of Economic Design (x3), Economics Bulletin (x8), Journal of Industry, Competition, and Trade (x2), Letters in Spatial and Resource Sciences (x12), Computational Economics (x3), Review of Regional Research, ERSA-Economic Research of Southern Africa, Economic Modelling (x16), Journal of Industrial and Business Economics (x11), Journal of Financial Management, Markets and Institutions, North America Journal of Economics and Finance, Journal of Cleaner Production (x3), International Journal of the Economics of Business, Waste Management, International Review of Economics and Finance, Peace Economics, Peace Science, and Public Policy (x3), Games, Managerial and Decision Economics (x6), Empirical Economics (x2), Mathematical Problems in Engeneering (x2), Metroeconomica (x4), Operations Research Letters (x5), Research in Transportation Economics, RAIRO - Operations Research (x2), Frontiers in Public Health, B.E. Journal of Economic Policy and Analysis (x2), B.E. Journal of Theoretical Economics (x2), Computers & Industrial Engineering (x3), Electronic Commerce Research and Applications, SERIEs (x2), Stats (x2), Qeios (x3), Mathematics, Systems, Journal of Risk and Financial Management (x2), AStA Advances in Statistical Analysis, Information, Sustainability (x4), DEF working paper, McGraw Hill.

Projects: Research Projects of National Interest (PRIN) Grant; VQR (2015-2019).

Milano, 4/7/2024