Hilson, C. ORCID: https://orcid.org/0000-0003-4114-6471, Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 and Noussia, K. ORCID: https://orcid.org/0000-0002-9147-998X, (2025) Regulatory tools for a healthy and sustainable diet. Report. University of Reading doi: 10.48683/1926.00121707

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 (2024) The use of AI in enforcement technology. In: Di Matteo, L. A., Poncibó, C. and Howells, G. (eds.) The Cambridge Handbook of AI and Consumer Law. Cambridge Law Handbooks. Cambridge University Press, Cambridge. ISBN 9781009483551 (In Press)

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 (2024) Failure to protect the vulnerable?: Office of Fair Trading (respondents) v Abbey National plc & Others (appellants) [2009] UKSC 6. In: Ramsay, I. and Gardner, J. (eds.) Landmark Cases in Consumer Law. Landmark cases. Hart, London, pp. 299-313. ISBN 9781509952304

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 and Coll, L., (2024) The transformative potential of Enforcement Technology (EnfTech) in Consumer Law. Report. University of Reading, Connected Consumers

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 (2023) Unsafe and still online: proposals to improve product safety on online marketplaces. In: Savin, A. and Trzaskowski, J. (eds.) Research Handbook on EU Internet Law. Research handbook on EU internet law 2nd edition. Edward Elgar, Cheltenham, pp. 344-365. ISBN 9781803920870

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 and Grochowski, M. (2023) The enforcement of EU consumer law. In: Scholten, M. (ed.) Research handbook on the enforcement of EU law. Research handbooks in European Law series. Edward Elgar, Cheltenham, pp. 349-364. ISBN 9781802208023

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 and Nika, P. (2022) Electronic Payments and Consumer Protection. In: Lodder, A. and Murray, A. (eds.) EU Regulation of E-Commerce: A Commentary. Elgar Commentaries series. Edward Elgar, Cheltenham, pp. 386-426. ISBN 9781800372085 doi: 10.4337/9781800372092.00020

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537, (2022) Cross border enforcement of consumer law: looking to the future. Report. University of Reading

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 (2022) Protecting vulnerable consumers in the digital single market. European Business Law Review, 33 (4). pp. 607-634. ISSN 0959-6941 doi: 10.54648/eulr2022028

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 (2022) Digital content contracts. In: Garben, S., Gormley, L. and Purnhagen, K. (eds.) Encyclopaedia of European law. Oxford University Press, Oxford.

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 (2022) Consumer law and the internet. In: Lambert, P. (ed.) Gringras: The Laws of the Internet. 6th edition. Bloomsbury Professional, London, pp. 499-554. ISBN 9781526517845 doi: 10.5040/9781526517876.chapter-007

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 and Marcel, E., Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537, ed. (2021) Consumer Protection and electronic commerce: protection against unsafe products bought online. Report. Parlement européen, Bruxelles. pp172.

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 (2021) Consumer law enforcement as a tool to bolster competition in digital markets: a case study on personalized pricing. In: Competition and Consumer Protection Policies for Inclusive Development in the Digital Era. United Nations Conference on Trade and Development. United Nations, Geneva, pp. 15-29, v, 72. ISBN 9789210058582 (UNCTAD/DITC/CPLP/2021/2)

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 (2020) The protection of vulnerable consumers in the digital age. In: Eleventh Meeting of the UNCTAD Research Partnership Platform, 17 - 18 Dec 2020, Online.

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 and Gamper, H. (2020) Economic theory and consumer vulnerability: exploring an uneasy relationship. In: Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 and Saintier, S. (eds.) Vulnerable consumers and the law: consumer protection and access to justice. Markets and the Law. Routledge, Oxon, pp. 17-30, 280 pages. ISBN 9780367204686

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 and Saintier, S. (2020) In search of (access to) justice for vulnerable consumers. In: Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 and Saintier, S. (eds.) Vulnerable consumers and the law: consumer protection and access to justice. Markets and the Law. Routledge, Oxon, pp. 1-16, 280 pages. ISBN 9780367204686

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 and Saintier, S., eds. (2020) Vulnerable consumers and the law: consumer protection and access to justice. Routledge, Oxon, pp280. ISBN 9780367204686 doi: 10.4324/9781003104650

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 and Saintier, S. (2020) The way forward: for an 'inclusive' access to justice to protect vulnerable consumers. In: Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 and Saintier, S. (eds.) Vulnerable consumers and the law: consumer protection and access to justice. Markets and the Law. Routledge, Oxon, pp. 244-259, 280 pages. ISBN 9780367204686

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 (2020) Beyond electronic commerce: some reflections on the regulation of the harmful effects of social commerce (media). Revista de Direito do Consumidor, 127 (29). pp. 281-303. ISSN 1415-7705

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 (2020) Coronavirus as a catalyst to transform consumer policy and enforcement. Journal of Consumer Policy, 43 (3). pp. 451-461. ISSN 1573-0700 doi: 10.1007/s10603-020-09462-0

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 (2020) Consumer Protection on Social Media Platforms: Tackling the Challenges of Social Commerce. In: Synodinou, T.-E., Jougleux, P., Markou, C. and Prastitou, T. (eds.) EU Internet Law in the Digital Era. Springer, Cham, pp. 321-345, 392 pages. ISBN 9783030255787 doi: 10.1007/978-3-030-25579-4_15

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 (2019) The REFIT process in the area of consumer protection: odds stacked against consumers. In: van Schagen, E. and Weatherill, S. (eds.) Better regulation in EU contract law: the fitness check and the new deal for consumers. Studies of the Oxford Institute of European and Comparative Law, 29. Hart Publishing, Oxford, pp. 13-36, 212 pages. ISBN 9781509928354 doi: 10.5040/9781509928385.ch-002

Siciliani, P., Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 and Gamper, H. (2019) Consumer Theories of Harm: An Economic Approach to Consumer Law Enforcement and Policy Making. Hart Publishing, Oxford, pp248. ISBN 9781509916856 doi: 10.5040/9781509916887

Clausen, L. and Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 (2019) Towards fairness in digital influencers’ marketing practices. Journal of European Consumer and Market Law, 8 (2). pp. 64-74. ISSN 2364-4710

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 (2018) EU payment surcharges rules lacking teeth: evidence from empirical studies into the control of surcharges in the EU and UK travel industry. European Law Review, 43 (3). pp. 343-365. ISSN 0307-5400

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 and Willett, C. (2018) Enforcement and Effectiveness of Consumer Law in the UK. In: Micklitz, H.-W. and Saumier, G. (eds.) Enforcement and Effectiveness of Consumer Law. Ius Comparatum - Global Studies in Comparative Law, 27. Springer, Cham, pp. 673-695, 717 pages. ISBN 9783319784304 doi: 10.1007/978-3-319-78431-1_28

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537, Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537, ed. (2017) The challenge of protecting EU consumers in global online markets. Report. The European Consumer Organisation pp64.

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 and Saintier, S. (2017) Unfair Commercial Practices Directive: remedying economic torts? In: Giliker, P. (ed.) Research Handbook on EU Tort Law. Research Handbooks in European Law. Edward Elgar Publishing Ltd., Cheltenham, pp. 293-318, 512 pages. ISBN 9781785365713 doi: 10.4337/9781785365720.00019

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 (2017) G20 consumer summit on building a digital world consumers can trust. Journal of European Consumer and Market Law, 6 (3). pp. 124-129. ISSN 2364-4710

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 (2017) Directive 2009/110/EC on the taking up, pursuit and prudential supervision of the business of electronic money institutions and Directive 2015/2366/EU on the control of electronic payments in the EU. In: Lodder, A. R. and Murray, A. D. (eds.) EU regulation of e-commerce: a commentary. Elgar commentaries. Edward Elgar Publishing Ltd., Cheltenham, pp. 146-176, 448 pages. ISBN 9781785369339

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 and Mo, J. Y. C. (2016) Mind the gap: modelling the liability of online auction intermediaries and market places in Hong Kong on the EU regime. The Chinese Journal of Comparative Law, 4 (2). pp. 274-299. ISSN 2050-4802 doi: 10.1093/cjcl/cxw009

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 (2016) Consumer Protection and Online Auction Platforms: Towards a Safer Legal Framework. Markets and the Law. Routledge, Oxon, pp276. ISBN 9781315573700 doi: 10.4324/9781315573700

Warwas, B., Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537, Ferretti, F., Cole, T., Bantekas, I. and Ortolani, P., (2016) Legal instruments and practice of arbitration in the EU (annex): Study for the JURI committee. Report. Publications Office of the European Union pp123. ISBN 9789282362563 ISSN 1875-4120 doi: 10.2861/75990

Zakaria, I., Reifner, U., Neuberger, D., Clerc-Renaud, S., Schwizer, P., Nastansky, A., Stephan, A., Soana, M. G., Ferri, G., Schwartz, S., Forbes, W. and Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537, (2016) Study on the remuneration provisions applicable to credit institutions and investment firms. Report. European Commission

Markou, C. M. and Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 (2016) App-solutely protected? The protection of consumers using mobile apps in the European Union. In: Rothchild, J. A. (ed.) Research Handbook on Electronic Commerce Law. Research Handbooks in Information Law. Edward Elgar Publishing Ltd., Cheltenham, pp. 391-418, 640 pages. ISBN 9781783479917

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 and Durovic, M. (2015) Serbian consumer law: out with the old, in with the new. Maastricht Journal of European and Comparative Law, 22 (6). pp. 862-878. ISSN 1023-263X doi: 10.1177/1023263X1502200605

Cole, T., Bantekas, I., Ferretti, F., Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537, Warwas, B. and Ortolani, P., (2015) Legal instruments and practice of arbitration in the EU: Study for the JURI committee. Report. Publications Office of the European Union pp312. ISBN 9789282362549 ISSN 1875-4120 doi: 10.2861/75869

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 (2015) Codification: the future of English consumer law? Journal of European Consumer and Market Law, 4 (1-2). pp. 12-20. ISSN 2364-4710

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 (2014) Consumer Law in England: from common law to codification?. In: Tomillo Urbina, J. and Álvarez Rubio, J. (eds.) La Proteccion Juridica de los consumidores en el espacio euroamericano. Editorial Comares, Granada, 467 pages. ISBN 9788490451953

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 and Markou, C. (2014) Online Marketing: Advertisers know you are a Dog on the Internet! In: Savin, A. and Trzaskowski, J. (eds.) Research Handbook on EU Internet Law. Research Handbooks in European Law. Edward Elgar Publishing Ltd., Cheltenham, pp. 383-410, 648 pages. ISBN 9781782544166

Reifner, U., Neuberger, D., Rissi, R., Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537, Knobloch, M., Clerc-Renaud, S. and Finger, C., (2013) Study on remuneration structures of financial services intermediairies and conflicts of interest. Report. Institute Fur finanzdienstleistungen e.V. (iff), Hamburg. pp172. ISBN 9789279299179 doi: 10.2780/89663

Nottage, L., Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 and Tokeley, K. (2013) Comparative Consumer Law Reform and Economic Integration. In: Malbon, J. and Nottage, L. (eds.) Consumer Law and Policy in Australia and New Zealand. Federation Press, pp. 52-94, 480 pages. ISBN 9781862879089

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537, Tiffe, A., Reifner, U., Klinger, H., Muller, P., Sinn, M., Mantovani, I., Devnani, S., Korus, K. and Godschalk, H., (2013) Study on the impact of directive 2007/64/EC on payment services in the internal market and on the application of regulation (EC) No. 924/2009 on cross-border payments in the community. Report. European Commission pp288.

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 (2013) An empirical study of unfair terms in online auction contracts in the UK: evidence of the need for better enforcement mechanisms. University of Western Australia Law Review, 37 (1). ISSN 0042-0328

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 (2012) The end of internet service providers liability as we know it – uncovering the consumer interest in CJEU case C-324/09 (L’Oréal/Ebay). Journal of European Consumer and Market Law, 1 (2). pp. 104-111. ISSN 2364-4710

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 (2012) Recommended changes to the definitions of ‘auction’ and ‘public auction’ in the proposal for a directive on consumer rights. In: Devenney, J. and Kenny, M. (eds.) European Consumer Protection Theory and Practice. Cambridge University Press, Cambridge, pp. 378-396. ISBN 9781107013018

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 (2012) Rights of consumers shopping on online auction platforms under directive 2011/83/EU. In: Buttigieg, E. (ed.) Rights and remedies for the consumer in the European Union. Gutenberg Press, Malta, xxiv, 137 pages. ISBN 9789995704520

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 (2011) Contratos electrónicos con consumidores: recientes problemas legales. In: Jorge, T. U. and Julio, Á. R. (eds.) La protección jurídica de los consumidores como motor de desarrollo económico. Civitas (Thomson Reuters), Madrid, pp. 313-346. ISBN 9788447037001

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 (2009) Liability of Online Auction Sites for Infringing “User-generated Content”: Have IP Owners Lost the Battle but Not the War? In: COUNTER workshop Mashing-up Culture, May 13-14, 2009, Uppsala University, pp. 187-207. (Proceedings Title: 'Mashing-up Culture The Rise of User-generated Content ; Proceedings from the COUNTER Workshop, Mashing-up Culture, Uppsala University'; Proceedings Editors: Eva Hemmungs Wirtén & Maria Ryman;)

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 (2009) A dangerous erosion of consumer rights: the absence of a right to withdraw from online auctions. In: Howells, G. and Schulze, R. (eds.) Modernising and Harmonising Consumer Contract Law. Sellier, Munich, pp. 177-187. ISBN 9783866530829

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 (2009) The reform of electronic consumer contracts in Europe: towards an effective legal framework? Lex Electronica, 14 (2). ISSN 1480-1787

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 (2008) “To be or not to be an auctioneer?” some thoughts on the legal nature of online “eBay” auctions and the protection of consumers. Journal of Consumer Policy, 31 (2). pp. 167-194. ISSN 1573-0700 doi: 10.1007/s10603-007-9063-0

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 (2006) Consumers and electronic communications laws in Europe and England: reaping the rewards of the new regulatory framework. Annals of telecommunications - annales des télécommunications, 61 (7-8). pp. 924-949. ISSN 0003-4347 doi: 10.1007/BF03219872

Wild, C., Weinstein, S. and Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 (2005) Council regulation (EC) 44/2001 and internet consumer contracts: some thoughts on article 15 and the futility of applying ‘in the box’ conflict of law rules to the ‘out of the box’ borderless world. International Review of Law, Computers and Technology, 19 (1). pp. 13-21. ISSN 1360-0869 doi: 10.1080/13600860500051002

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 (2005) Privacy and the internet in the European Union. In: Street, L. F., Grant, M. P. and Sheets Gardiner, S. (eds.) Law of the Internet. Lexis / Michie, Charlottesville, 2.15-2.168.50.

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 (2004) Article 5 of the Rome convention on the law applicable to contractual obligations of 19 June 1980 and consumer e‐contracts: the need for reform. Information and Communications Technology Law, 13 (1). pp. 59-73. ISSN 1360-0834 doi: 10.1080/1360083042000190643

Riefa, C. ORCID: https://orcid.org/0000-0001-8561-1537 (2004) Publicité forfait illimité AOL: un nouvel élan vers la transparence des offres d'accès à l'Internet. Recueil Dalloz, 2004 (24). pp. 1727-1731.