Items where Author is "Ennis, Sean"

Article

Ormosi, Peter L. ORCID: https://orcid.org/0000-0001-6472-6511, Bokhari, Farasat A. S. ORCID: https://orcid.org/0000-0001-5418-8078, Ennis, Sean ORCID: https://orcid.org/0000-0001-6796-5788 and Mariuzzo, Franco ORCID: https://orcid.org/0000-0003-4604-1054 (2025) Does increasing concentration hit poorer areas more? A study of retail petroleum markets. Journal of Industrial Economics, 73 (1). pp. 70-123. ISSN 0022-1821

Ranasinghe, Udish Chalana ORCID: https://orcid.org/0000-0002-2873-639X, Ennis, Sean ORCID: https://orcid.org/0000-0001-6796-5788, Monteiro, Januario ORCID: https://orcid.org/0000-0002-7000-4256 and Malagueno, Ricardo ORCID: https://orcid.org/0000-0002-1481-6487 (2025) Global value chains, trade facilitation, and the use of environmental management practices in SMEs. International Journal of Operations & Production Management, 45 (5). pp. 1119-1147. ISSN 0144-3577

Ennis, Sean ORCID: https://orcid.org/0000-0001-6796-5788 and Piffaut, Henri (2023) Insular Economies: An Overview of the National Case Law. Concurrence e-Competitions Bulletin, 2023 (September 7).

Ennis, Sean ORCID: https://orcid.org/0000-0001-6796-5788 (2023) A commercial advertising revolution: From Yellow Pages to search engines. CPI Antitrust Chronicle, 2023 (June).

Ennis, Sean ORCID: https://orcid.org/0000-0001-6796-5788, Ivaldi, Marc and Lagos, Vicente (2023) Price parity clauses for hotel room booking: Empirical evidence from regulatory change. Journal of Law & Economics, 66 (2). pp. 309-331. ISSN 0022-2186

Ennis, Sean F. ORCID: https://orcid.org/0000-0001-6796-5788 and Evans, Ben (2023) Cloud Portability and Interoperability under the EU Data Act: Dynamism versus Equivalence.

Ennis, Sean ORCID: https://orcid.org/0000-0001-6796-5788 (2023) Advantages of Licence-Exempt Spectrum::Allocation Versus Auctions for Upper 6Ghz Spectrum.

Ennis, Sean ORCID: https://orcid.org/0000-0001-6796-5788 (2022) Consumer Expectations and Fair Contracting for Digital Products. CPI Antitrust Chronicle, 2022 (July).

Ennis, Sean ORCID: https://orcid.org/0000-0001-6796-5788 (2021) U.S. v. Microsoft: Where Did the Time Go?

Ennis, Sean ORCID: https://orcid.org/0000-0001-6796-5788 and Fletcher, Amelia (2020) The Goldilocks dilemma: When is digital regulation “just right”? Journal of European Competition Law and Practice, 11 (10). pp. 551-552. ISSN 2041-7764

Ennis, Sean ORCID: https://orcid.org/0000-0001-6796-5788, Lagos, Vicente and Ivaldi, Marc (2020) Price Parity Clauses for Hotel Room Booking: Empirical Evidence from Regulatory Change.

Ennis, Sean ORCID: https://orcid.org/0000-0001-6796-5788 (2019) Market power: The inequality connection. CPI Antitrust Chronicle, 3 (1).

Ennis, Sean ORCID: https://orcid.org/0000-0001-6796-5788, Gonzaga, Pedro and Pike, Chris (2019) Inequality: A hidden cost of market power. Oxford Review of Economic Policy, 35 (3). pp. 518-549. ISSN 0266-903X

Ennis, Sean ORCID: https://orcid.org/0000-0001-6796-5788 (2019) Pricing abuses: An overview of EU and national case law. Concurrence e-Competitions Bulletin.

Heimler, Alberto and Ennis, Sean ORCID: https://orcid.org/0000-0001-6796-5788 (2008) Competition and efficiency in payment cards: which options for SEPA. World Competition, 31 (1). pp. 19-35. ISSN 1011-4548

Ennis, Sean ORCID: https://orcid.org/0000-0001-6796-5788 (2006) Competition and price dispersion in international long-distance calling. Journal of Regulatory Economics, 29 (3). pp. 303-317. ISSN 0922-680X

Ennis, Sean ORCID: https://orcid.org/0000-0001-6796-5788 (2003) Mergers in Network Industries. Communications and Strategies, 50. pp. 51-68.

Spetz, Joanne, Smith, Mark and Ennis, Sean ORCID: https://orcid.org/0000-0001-6796-5788 (2001) Physician incentives and the timing of cesarean sections: evidence from California. Medical Care, 39 (6). pp. 536-550. ISSN 0025-7079

Ennis, Sean ORCID: https://orcid.org/0000-0001-6796-5788, Schoenbaum, Michael and Keeler, Theodore (2000) Optimal prices and costs for hospitals with excess bed capacity. Applied Economics, 32 (9). pp. 1201-1212. ISSN 0003-6846

Leavitt, Dan, Ennis, Sean ORCID: https://orcid.org/0000-0001-6796-5788 and McGovern, Pat (1993) The Cost Escalation of Rail Projects:Using Previous Experience to Re-Evaluate the CalSpeed Estimates.

Book Section

von Bonin, Andreas, Reiter-Werzin, Florian and Ennis, Sean ORCID: https://orcid.org/0000-0001-6796-5788 (2025) State Aid and Privatisation. In: EU State Aid Control. Wolters Kluwer (UK) Ltd., pp. 1189-1234. ISBN 978-94-035-2497-9

Ennis, Sean ORCID: https://orcid.org/0000-0001-6796-5788, Bourrousse, Hugo, Carrozzo, Salvatore, Nardotto, Matteo, Neto, Antonio, Pike, Chris and Sabatino, Lorien (2024) Price Concentration Studies. In: Exploring Aspects of the State of Competition in the EU. European Commission, Brussels, pp. 69-158. ISBN 978-92-68-12058-3

Ennis, Sean ORCID: https://orcid.org/0000-0001-6796-5788 (2022) Business Strategy and Antitrust Compliance. In: Perspectives on Antitrust Compliance. Concurrences, pp. 31-46. ISBN 978‑1‑939007‑18‑6

Ennis, Sean ORCID: https://orcid.org/0000-0001-6796-5788 (2022) Sector Inquiry:Definition and Commentary. In: Global Dictionary of Competition Law. Concurrences.

Ennis, Sean ORCID: https://orcid.org/0000-0001-6796-5788 and Kim, Yunhee (2017) Market Power and Wealth Distribution. In: A Step Ahead : Competition Policy for Shared Prosperity and Inclusive Growth. The World Bank, pp. 133-154.

Capobianco, Antonio, Davies, John and Ennis, Sean ORCID: https://orcid.org/0000-0001-6796-5788 (2016) The Need for International Cooperation in Merger Enforcement. In: European Competition Law Annual 2013. Hart Publishing, pp. 469-480.

Ennis, Sean ORCID: https://orcid.org/0000-0001-6796-5788 and Ghosal, Vivek (2010) Global Initiatives in Reforming Rules and Regulations. In: Reforming Rules and Regulations. MIT Press. ISBN 9780262014687

Ennis, Sean ORCID: https://orcid.org/0000-0001-6796-5788 (2002) A Competitive Analysis of International Long-Distance Calling. In: Communications Policy and Information Technology: Promises, Problems, Prospects. MIT Press. ISBN 9780262270939

Book

De Simone, Livia, Nava, Salvatore, Salomone, Elena, Aigner, Rafael, Coates, James, Rancati, Luca, Walckiers, Alexis, Neto, Antonio, Pike, Chris, Beverelli, Cosimo, Camilli, Andrea, Colacurcio, Claudio, Cotignano, Giacomo, Zappia, Daniele, Ennis, Sean ORCID: https://orcid.org/0000-0001-6796-5788 and Paetz, Stephan (2024) Exploring Aspects of the State of Competition in the EU. European Commission, Brussels. ISBN 978-92-68-12058-3

Ennis, Sean ORCID: https://orcid.org/0000-0001-6796-5788 and Evans, Ben (2024) CCP Response to the CMA Cloud Services Market Investigation. UNSPECIFIED.

Ennis, Sean ORCID: https://orcid.org/0000-0001-6796-5788 and Evans, Ben (2024) CCP Response to the CNMC Public Consultation on Cloud Services. UNSPECIFIED.

di Porta, Fabiana, Foa, Daniel and Ennis, Sean ORCID: https://orcid.org/0000-0001-6796-5788 (2024) Emerging Virtual Worlds:Implications for Policy and Regulation. Centre for Regulation in Europe (CERRE), Brussels.

Gabriel, Margaux, Głowicka, Ela, Hedge, Vedika, Jeschonneck, Malte, Mattes, Anselm, Rancati, Luca, Urzi, Francesca, Dente, Gabriele, Nava, Salvatore, Salomone, Elena, Deller, David, Ennis, Sean F. ORCID: https://orcid.org/0000-0001-6796-5788, Enstone, Bryn, Alvarez Vidal, Ana, el-Houda Bey, Nour, Hofmann, Michael and Klotz, Robert and European Commission, Directorate-General for Competition (2023) Impact assessment support study for the review of the Community guidelines on State aid for railway undertakings. European Commission. ISBN 978-92-68-01251-2

Ennis, Sean ORCID: https://orcid.org/0000-0001-6796-5788, Evans, Ben and Mariuzzo, Franco ORCID: https://orcid.org/0000-0003-4604-1054 (2023) CCP Response to the Ofcom Consultation: Cloud Services Market Study (Interim Report). UNSPECIFIED.

Ennis, Sean ORCID: https://orcid.org/0000-0001-6796-5788 and Colangelo, Giuseppe (2022) Energy Data Sharing and The Case of EV Smart Charging. Centre for Regulation in Europe (CERRE).

Deller, David, Doan, Thanh, Mariuzzo, Franco ORCID: https://orcid.org/0000-0003-4604-1054, Ennis, Sean ORCID: https://orcid.org/0000-0001-6796-5788, Fletcher, Amelia and Ormosi, Peter ORCID: https://orcid.org/0000-0001-6472-6511 (2021) Competition and innovation in digital markets. UNSPECIFIED.

Ennis, Sean ORCID: https://orcid.org/0000-0001-6796-5788 and Lam, Wynne (2021) Personalised Pricing and Disclosure. UNSPECIFIED.

Ennis, Sean ORCID: https://orcid.org/0000-0001-6796-5788 and Kuhn, Kai-Uwe (2021) Minimum Advertised Prices:How They Differ from RPM. Centre for Competition Policy.

Buccirossi, Paolo, Marrazzo, Alessia, Baccari, Livia, Neuhoff, Karsten, Richstein, Jörn C., Chiappinelli, Olga, Stede, Jan, Barbu O'Connor, Ciara, Hofmann, Michael, Klotz, Robert, Ennis, Sean ORCID: https://orcid.org/0000-0001-6796-5788, Enstone, Bryn, Friederiszick, Hans, Głowicka, Ela, Mattes, Anselm, Rönn, Jan Christopher, Viaene, Arvid, Duso, Tomaso, Piechucka, Joanna and Seldeslachts, Jo (2021) Energy and Environmental Guidelines (EEAG) Revision Support Study. European Commission. ISBN 978-92-76-38641-4

Ennis, Sean ORCID: https://orcid.org/0000-0001-6796-5788, Tutton, Tim and Deller, David (2020) Synthesis of literature on the impact of the UK regulatory model. UNSPECIFIED.

Głowicka, Ela, Mäkelä, Paula, Witte, Stefan, Deller, David, Ennis, Sean ORCID: https://orcid.org/0000-0001-6796-5788, Enstone, Bryn, Snaith, George, Hofmann, Michael and Klotz, Robert (2020) Retrospective evaluation support study on State aid rules for environmental protection and energy. European Commission, Brussels. ISBN 978-92-76-18710-3

Ennis, Sean ORCID: https://orcid.org/0000-0001-6796-5788 (2019) Independent Sector Regulators and their Relationship with Competition Authorities. OECD, Paris.

Ennis, Sean ORCID: https://orcid.org/0000-0001-6796-5788 and Deller, David (2019) Water Sector Ownership and Operation:An evolving international debate with relevance to proposals for nationalisation in Italy. UNSPECIFIED.

Other

Calef, Andrea ORCID: https://orcid.org/0000-0002-7045-2622, Ennis, Sean ORCID: https://orcid.org/0000-0001-6796-5788, Enstone, Bryn and Prüfer, Jens ORCID: https://orcid.org/0000-0001-7203-9711 (2024) Consultation response to FCA Call for Input: The potential competition impacts of Big Tech entry and expansion in retail financial services. UNSPECIFIED.

Deutscher, Elias, Ennis, Sean ORCID: https://orcid.org/0000-0001-6796-5788 and Hviid, Morten (2021) Response to CMA Consultation: Retained Vertical Agreements Block Exemption Regulation. Centre for Competition Policy.

Amodu, Tola, Calef, Andrea ORCID: https://orcid.org/0000-0002-7045-2622, Ennis, Sean ORCID: https://orcid.org/0000-0001-6796-5788 and Stephan, Andreas ORCID: https://orcid.org/0000-0002-9839-7338 (2020) Response to consultation on the FCO’s role in blocking foreign asset stripping in the UK. UNSPECIFIED.

Calef, Andrea ORCID: https://orcid.org/0000-0002-7045-2622, Ennis, Sean ORCID: https://orcid.org/0000-0001-6796-5788, Deutscher, Elias, Fletcher, Amelia and Lyons, Bruce (2020) Response to EU Commission - Consultation on a New Competition Tool. UNSPECIFIED.