A four-page conference paper gave a lasting name to a substantial marketing agenda. Leonard L. Berry’s Relationship Marketing appeared on pages 25-28 of Emerging Perspectives on Services Marketing in 1983. It brought the development of customer relationships into an explicitly service-oriented account of marketing responsibility. Acquiring a customer opened the possibility of further service and continuing exchange (Berry, 1983; publication history discussed in Berry, 2002).

The subject connects a very old commercial experience with a more recent conceptual history. Traders and service providers needed repeat customers and dependable business partners long before 1983. Berry helped give these concerns a systematic expression within services marketing. His contribution is most clearly understood by distinguishing the emergence of the term, the history of relational practices and the later development of technologies for managing customer information.

What can be established about 1983

The original paper appeared in an American Marketing Association volume edited by Leonard L. Berry, G. Lynn Shostack and Gregory D. Upah. Berry later explained that he had presented it at the Association’s Services Marketing Conference. In 2002, the first issue of the Journal of Relationship Marketing republished the original contribution with a retrospective commentary (Berry, 2002).

This publication history prevents a common chronological error. The dates 1983 and 2002 identify the conference contribution and its subsequent republication. A publisher’s additional online-release date should not be mistaken for the origin of the concept. The intellectual date of an older paper and the history of its digital availability are different things.

Claims of priority also need a defined object. Berry’s retrospective account attributes the introduction of the expression into marketing literature to the 1983 paper. That does not establish the invention of every form of customer retention. The narrower historical claim is sufficient: the paper supplied an important conceptual reference point to which later services marketing research explicitly returned.

This distinction makes the episode more informative. Naming an agenda can help organise research, teaching and managerial discussion even when some of the underlying activities are familiar. Its significance need not depend on declaring that nobody previously cared about continuing customer business.

Why services offered a particular starting point

Services often bring a promise into contact with experience repeatedly. An insurer may accompany a customer for years. A business client may require ongoing technical help. A hotel can encounter the same guest on several visits. These are illustrative examples, rather than company cases reconstructed from Berry’s paper. They show why the period after an initial purchase becomes a marketing concern.

The relationship is influenced through more than the memory of an advertisement. Appointments, delivery, billing and complaint handling can all shape what a customer experiences. A convincing promise can lose credibility when subsequent assistance is unreliable. Conversely, problems repeatedly resolved well may create confidence even when the advertising itself is unremarkable.

In 1995, Berry discussed growing interest in relationship marketing alongside the development of services marketing, attention to quality and technological possibilities (Berry, 1995). The setting was broader than the discovery of another communication tool. It concerned the connection between marketing and the organisation of the service actually delivered.

This expands responsibility beyond a campaign. When a customer’s experience is formed through several encounters, selling, support and operational routines cannot be understood entirely separately. Decisions about what the business enables customers to do, and how reliably it does so, become part of the wider commercial problem.

Such a perspective does not require every contact to be personal or every interaction to be lengthy. It requires the relationship between a promise and its fulfilment to be taken seriously. Standardised processes can support that fulfilment when they make service dependable; they can undermine it when they ignore differences that matter to customers.

Attracting, maintaining and developing relationships

Berry described the task in terms of attracting customers, maintaining relationships and, in organisations offering multiple services, developing those relationships further. Acquisition remained part of the approach (Berry, 1983, as discussed in Berry, 1995). An account that equates relationship marketing with abandoning new-customer activity would therefore misrepresent its scope.

These tasks are connected but distinct. Acquisition creates an opportunity for an initial experience. Maintenance requires continuing reasons to exchange. Development may involve deeper cooperation or additional services that fit a customer’s needs. More selling is not automatically an improvement for the customer. Additional exchange has to make sense to the parties involved.

Consider a fictional consultancy engaged to produce an initial assessment. Continuing work can become valuable if its recommendations are useful and further assignments are agreed transparently. Repeatedly proposing irrelevant services would increase the number of approaches without necessarily improving the relationship. Contact frequency and relationship quality are not interchangeable.

The unit of analysis consequently shifts. An individual order still matters, but it can be understood within a sequence of experiences. This is an analytical reading, not a claim that every initial contact should become the longest possible relationship. Duration describes one feature of an exchange; it does not independently establish its quality.

The distinction is useful for interpreting subsequent marketing language. Retention, expansion and relationship development can sound similar while identifying different objectives. A company can retain an account without increasing its business, or sell additional products without creating greater confidence. Historical precision helps keep those outcomes separate.

Five strategic starting points

Berry’s account of the 1983 contribution identifies five strategic elements: a core service, adaptation to individual customers, supplementary benefits, relationship-oriented pricing and internal marketing. The elements can be combined (Berry, 1995). Their range shows that the approach extended beyond sending promotional messages at regular intervals.

A core service gives the relationship a practical purpose. Customisation asks which customer differences matter. Additional benefits can remove obstacles to use. Pricing can encourage continued exchange. Internal marketing concerns the people expected to deliver the promise. Together these ideas connect the offer, its economic arrangements and the organisation behind it.

The following are hypothetical illustrations. A bank might make an important payment service dependable and offer relevant help when a customer needs it. A technical provider might organise response arrangements around a client’s operating requirements. In either case, the meaningful connection is between a need and a service that remains useful over time.

This range cannot be reduced to rewards. A discount can encourage another purchase while confidence in support remains weak. An appropriately adapted service can help sustain a valuable relationship without a points scheme. The breadth of the original agenda matters more historically than the later visibility of particular membership cards or software functions.

Nor should the elements be read as a checklist guaranteeing success. Different services have different costs and different opportunities for adaptation. An additional benefit may be useful to one customer and unwanted by another. The strategic question is how the parts fit the actual exchange, rather than whether every possible relationship initiative has been introduced.

Employees belong inside the explanation

Internal marketing is one of the particularly revealing elements. The references in Berry’s later account include his 1981 contribution The Employee as Customer (Berry, 1995). Attention to employees was therefore present before the subsequent spread of digital customer-management applications.

The practical connection is straightforward. A business promising dependable help needs employees with the information, time and discretion to provide it. A service representative cannot resolve a complicated request well if responsibilities are unclear or essential information is missing. Friendliness does not replace those conditions.

Relationship marketing consequently raises organisational questions. Customer experience depends partly on decisions customers do not see: training, information sharing, staffing and the treatment of mistakes. If employees are expected to support long-term relationships while being rewarded only for ending interactions quickly, the incentives may conflict.

This is a contemporary analytical illustration, not an attribution of a particular metric or employment policy to Berry. It clarifies the scope of the approach. Continuing service sustains the relationship; a well-worded communication cannot provide that service by itself.

It also explains why treating relationship marketing as a purely external activity can be misleading. The employee who hears a complaint or discovers a recurring problem may hold information important to future customer experience. Whether that information influences the organisation is part of the relationship’s practical setting.

Service quality became a distinct research problem

Berry also contributed to the systematic investigation of service quality. With A. Parasuraman and Valarie A. Zeithaml, he published a conceptual contribution on the subject in 1985 (Parasuraman, Zeithaml and Berry, 1985). This belongs to a related line of enquiry and should not be treated as the same publication or model as the paper of 1983.

The distinction separates different questions. A quality study can examine expectations and evaluations of a service. A relationship study also considers continuation, confidence and the history of exchange. Quality may be important without completely explaining every later decision.

A customer may value a service but leave because needs change. Another relationship may continue after a failure because the response is convincing and previous experience has been positive. These hypothetical situations demonstrate why an evaluation of a single service and a continuing relationship are connected without being identical.

The intellectual development should therefore not be told as an old theory being immediately displaced by a new one. Several questions were sharpened in parallel. What constitutes quality? How does trust arise? Why does someone remain? When is continued support economically sustainable? Relationship marketing gained substance through these distinctions.

This also encourages care with retrospective labels. An older quality initiative should not automatically be renamed relationship marketing simply because it could help retain customers. The historical connection needs explanation: which objective was expressed, what practice followed and how later researchers interpreted it.

Earlier precedents: Daniel Defoe and eighteenth-century trade

Daniel Defoe’s The Complete English Tradesman, first published in 1726, provides an earlier comparison. The accessible 1839 edition contains chapters on honesty, deception, credit and punctual payment. Its structure connects trade to the creation and destruction of dependable commercial expectations (Defoe, 1726/1839).

This is not a modern theory hidden behind an older title. Defoe wrote for another commercial world, with different social conditions and a different relationship between personal reputation and credit. His text nevertheless establishes that concern for continuing reliability did not appear only after a supposedly relationship-free age of mass marketing.

The tension between an immediate gain and future business is especially informative. Exploiting an opportunity through deception can damage the conditions for further exchange. A historian can recognise that problem without declaring Defoe the inventor of contemporary CRM. Similarity between particular concerns does not make entire commercial systems equivalent.

The comparison sharpens the understanding of Berry’s contribution. In 1983, he named a specific agenda within services marketing. The importance of that step does not increase by excluding earlier thinking. It becomes clearer when older concerns are seen being reorganised under different business and academic conditions.

It also provides a discipline for historical comparison. Terms such as trust may appear familiar while referring to institutions unlike those of the present. A useful comparison examines both the resemblance and the setting in which it mattered. It does not simply replace an early vocabulary with current terminology.

Relational practices continued through industrialisation

In 2015, Mark Tadajewski examined relational retailing practices in the nineteenth and twentieth centuries. His Journal of Historical Research in Marketing article challenges a general account in which industrialisation in the United States and Canada displaced such practices entirely with transaction-oriented behaviour (Tadajewski, 2015).

This changes the usual sequence of eras. An earlier world of personal trade, an industrial interval without relationships and a rediscovery in the 1980s is too simple. Different practices can coexist, with varying importance across industries and organisations.

A large retailer can employ standardised operations and still depend on repeated customer confidence. A small business can know customers personally and act opportunistically. Scale, technology and relationship quality are not equivalent characteristics. Their connections have to be investigated rather than assumed.

The question of origins consequently becomes more demanding. A new term can focus research and influence practice without creating every activity it describes. Historical enquiry limits an exaggerated story of conceptual invention while also making the circumstances of a term’s influence more interesting.

The broader implication is not that nothing changes. New arrangements, information systems and organisational capacities can alter what a relationship involves. The point is that change should be established through evidence about those arrangements, rather than inferred from the arrival of a fashionable label.

European parallels in industrial and services marketing

European research on business relationships did not develop simply as a later import of an American expression. David Ford’s 1980 article addressed the development of buyer-seller relationships in industrial markets. Its subject and date establish a related line of enquiry before Berry’s paper (Ford, 1980).

Within the Industrial Marketing and Purchasing tradition, mutual adaptation became an important subject. A later IMP paper explains that adaptations between buyers and suppliers were already considered in Håkansson’s 1982 edited volume (Brennan and Canning, 2004). This is not evidence of a direct dependency on Berry. It shows related questions being pursued through different research traditions.

Christian Grönroos explicitly discussed a movement towards relationship marketing in 1994. He criticised an excessively narrow toolbox perspective on the four Ps and treated marketing relationships as social and organisational processes (Grönroos, 1994). This was a conceptual position within a debate, not an observation that all established instruments had disappeared from practice.

The international comparison therefore reveals several starting points. Repeated service experience is particularly visible in services. Joint development, coordination and investment can be prominent between industrial firms. Continuing exchange connects these settings, but their conditions and units of analysis differ. A shared expression should not obscure those differences.

This matters for interpreting the subsequent growth of the field. Related concepts can converge without sharing a single origin. Connections between authors and traditions should be demonstrated where possible, while parallel developments should be allowed to remain parallel when the evidence does not establish a chain of influence.

Relationships develop over time

Dwyer, Schurr and Oh’s 1987 framework examined the development of buyer-seller relationships. It made their formation and change over time an explicit research concern (Dwyer, Schurr and Oh, 1987). A relationship could be analysed as a process, rather than merely an enduring attribute attached to an account.

This perspective opens questions that repeat-purchase counts leave unanswered. What makes parties consider working together? Which experiences expand an exchange? How do obligations emerge, and under what circumstances are they questioned? Such questions may require different evidence. They cannot be answered simply by counting messages sent.

Imagine two fictional industrial firms beginning with a small order. Later, they coordinate technical details and invest time in common routines. The economic implications of changing partners may consequently alter. The current price is then only one part of a relationship with a history.

This does not imply a guaranteed linear progression. An initial contact need not become a partnership. An established relationship can weaken, and customers may want different intensities of interaction. The importance of a process perspective is that it makes those changes open to investigation.

It also cautions against treating relationship development as a task performed entirely by the seller. A buyer may resist, redirect or initiate changes. The historical move towards studying continuing exchange creates room for that mutual activity, even when a particular company’s planning language remains focused on its own objectives.

Trust and commitment receive theoretical precision

Morgan and Hunt’s 1994 commitment-trust theory treated trust and relationship commitment as central mediating variables. They tested their model using data from automobile tyre retailers (Morgan and Hunt, 1994). The paper represents a subsequent theoretical development, rather than content that should be projected into Berry’s original contribution.

The concepts concern different questions. Trust involves expectations of dependability. Commitment concerns the value placed on continuing a relationship. An exchange may be important while uncertainty remains. A partner can also seem dependable without the relationship continuing to be particularly valuable.

These distinctions help interpret observable actions. Another order is an event. Whether it reflects confidence, habit or limited alternatives is a further question. A theory can organise the possible connections and provide propositions for empirical examination.

A model tested in one setting does not automatically hold unchanged everywhere. The research context remains part of the result. Historically, the sequence is significant: a broad strategic agenda was elaborated through more specific concepts, formal relationships between them and empirical tests.

This is one way intellectual influence develops. A contribution need not contain every later mechanism to matter. Its importance can include enabling questions that subsequent work answers more precisely, challenges or reformulates.

A practical comparison before 1983: AAdvantage

American Airlines introduced AAdvantage on 1 May 1981. Its account states that initial membership was by invitation and that rewards included a first-class ticket to a destination in its network. The programme provides a documented example of organised repeat-purchase incentives before Berry’s publication (American Airlines, 2021).

That does not make it an implementation of his later paper. The chronology instead supports separating business programmes from conceptual research. Nor does this evidence establish the first loyalty initiative of every kind anywhere in the world.

The comparison also clarifies the concept. A reward changes the incentive associated with a decision. A relationship includes the customer’s broader experience. Someone can collect points while being dissatisfied with a service, or prefer a supplier without receiving bonuses because its performance is dependable.

Evaluating a programme therefore requires additional questions. Does it generate more business or reward behaviour that would occur anyway? What resources do rewards and support consume? How do members behave when attractive alternatives exist? These are analytical questions, not results measured here for the 1981 programme.

The distinction preserves both histories. Loyalty programmes are important commercial arrangements. Relationship marketing is a broader agenda for understanding and managing continuing exchange. The overlap is substantial, but neither category fully defines the other.

Remaining through preference or through constraint

Bendapudi and Berry’s 1997 account of customers’ motivations for maintaining service-provider relationships distinguishes dedication from constraints that make continuation necessary or difficult to avoid (Bendapudi and Berry, 1997). This reveals a limitation in simple retention measures.

A customer may remain because the experience is valued. Another may remain because changing would be costly or alternatives are scarce. Both can appear as stable relationships in account records while differing substantially in commercial and social meaning.

A fictional software example makes this tangible. One organisation renews because the application works well and support is useful. Another renews because migration would be too disruptive at that moment. Identical renewal decisions do not establish identical relationship quality.

The distinction became more important as the field concentrated on continuity. The longer an organisation seeks to retain customers, the more necessary it becomes to understand what continuation represents. Increased duration can reflect valued cooperation or restricted choice. It cannot distinguish them by itself.

It also has implications for the language used about loyalty. Describing every retained customer as loyal can attribute an attitude that has not been measured. Historical study helps expose how a seemingly straightforward managerial word can combine behaviour, preference and practical constraint.

Long-standing customers are not automatically profitable

Reinartz and Kumar’s 2000 investigation of a catalogue retailer examined common expectations about the profitability of long-life customers in a noncontractual setting. Their findings challenged simple assumptions connecting longevity and profit (Reinartz and Kumar, 2000). The result should neither be generalised to all industries nor ignored when evaluating retention claims.

The economic issue is understandable. Revenue alone does not establish the cost of a relationship. Support, special services, discounts and returns can change the calculation. A long-standing customer may purchase extensively while also requiring considerable resources.

Consider a deliberately fictional example. Revenue of 1,000 monetary units might generate 200 in contribution before support, leaving 50 after 150 in additional costs. Another customer might generate 120 in contribution from 600 in revenue, leaving 90 after support costs of 30. These figures illustrate a cost distinction; they are not observations from the cited study.

Relationship marketing therefore needs to connect customer value with sustainable economics. Correcting an automatic profitability claim does not remove the value of relationships. It makes the agenda more precise by showing why effort should not be allocated solely according to how long an account has existed.

This also improves the historical narrative. A concept can remain important while a popular claim made on its behalf is qualified. The development of a field includes identifying its limits, rather than simply accumulating reasons to celebrate its original proposition.

What subsequent empirical research contributed

Palmatier, Dant, Grewal and Evans synthesised empirical research in a 2006 meta-analysis. The American Marketing Association’s accompanying account describes 94 studies covering approximately 38,000 relationships. The findings broadly supported positive performance connections while identifying differences between contexts (Palmatier et al., 2006).

A persuasive general idea could thus become a more differentiated empirical question. Relationships may be especially important when parties depend substantially on each other. A readily interchangeable offer may justify another degree of interaction. The basic concept does not prescribe the same communication frequency for every customer.

Relationships with individuals also deserve attention. A customer may primarily trust a particular adviser while a business records that attachment as loyalty to its brand. A departure can reveal where the connection lay. This is an analytical example rather than an additional finding about a named company.

Such distinctions explain the field’s subsequent development. As evidence accumulates, the statement that relationships matter becomes insufficient. Research increasingly concerns conditions, mediating processes and different outcomes for customers, employees and organisations.

The value of a synthesis is therefore not a universal promise. It helps identify where an argument is better supported and where apparently mixed findings may reflect meaningful differences. This is a more useful legacy than converting relationship marketing into an unconditional rule.

Relationship marketing and CRM

Payne and Frow’s 2005 strategic framework brought different concepts together in a process-oriented understanding of customer relationship management (Payne and Frow, 2005). It helps explain why CRM should not be reduced to contact software. Technology can store information; its useful application requires decisions about customers, services and organisational processes.

A database may record when a contact occurred without showing whether it helped. An automated workflow may send messages reliably while failing to recognise the customer’s situation. Technical capability makes actions possible, but does not by itself demonstrate that they are appropriate.

The CHARM paper by Proença, Fernandes and Kannan distinguishes industrial relationships, Nordic services approaches and managerial CRM perspectives, identifying partial overlap alongside different origins and concerns (Proença, Fernandes and Kannan, 2007). This offers a more varied history than a direct line from Berry to contemporary software.

The Routledge Companion to Marketing History edited by Jones and Tadajewski provides a wider framework across practices and historical settings (Jones and Tadajewski, 2016). Within that context, 1983 is an important conceptual moment in a longer history of exchange. Naming an agenda, developing theory and spreading technical tools are related but separate processes.

A changed view of marketing performance

This development changes how success can be discussed. New acquisitions can remain important, but they do not provide a complete account of continuing exchange. The number of retained customers likewise says little by itself about what they receive or why they remain. A historical extension of the perspective calls for several questions rather than one overriding number.

For a fictional maintenance provider, contract renewals, the reliability of completed work and the economics of support would be different observations. A high renewal rate might reflect good service. It might also reflect a temporary shortage of alternatives. Asking customers about their reasons would supply information that contract records alone cannot provide.

The observation period matters too. A discount could generate immediate renewals while reducing later returns. Investment in service could create costs before potential benefits become visible. These are analytical possibilities, not claims about a specific historical campaign. They explain why a longer perspective requires careful allocation of costs and effects over time.

No uniform checklist follows. An infrequently needed service can be valuable without generating frequent contact. A continuing operation may require regular coordination. The appropriate intensity follows from the substance of the exchange. More interaction is not inherently a better result.

Historical study makes these differences visible and broadens the understanding of what marketing decisions affect. It also constrains simple promises. Neither duration nor contact volume independently demonstrates a useful relationship. That qualification is part of the practical value of understanding how the concept developed.

Berry’s lasting contribution

Berry’s paper made the period beyond initial acquisition an explicitly named strategic concern within services marketing. Later research elaborated the agenda through service quality, trust, motives for continuation and economic evaluation. Earlier trade literature and European research reveal the multiple historical paths that connect with it.

The enduring insight concerns the connection between a marketing promise and continuing performance. A relationship needs reasons for continuation that make sense to those involved. Its quality cannot be inferred from an accessible address or from repeat buying, contractual duration and communication volume alone.

This gives 1983 a precise place in marketing history. Berry supplied a productive conceptual reference point for a significant area of enquiry and practice. The ways that subsequent research tested, expanded and qualified it belong to that history as much as the brief original conference paper.

References

American Airlines (2021) AAdvantage Celebrates 40 Years of Loyalty Innovation. https://news.aa.com/news/news-details/2021/AAdvantage-Celebrates-40-Years-of-Loyalty-Innovation-AADV-04/ (Accessed: 22 October 2026).

Bendapudi, N. and Berry, L. L. (1997) ‘Customers’ motivations for maintaining relationships with service providers’, Journal of Retailing, 73(1), pp. 15-37. https://doi.org/10.1016/S0022-4359(97)90013-0. Public abstract consulted.

Berry, L. L. (1983) ‘Relationship Marketing’, in Berry, L. L., Shostack, G. L. and Upah, G. D. (eds.) Emerging Perspectives on Services Marketing. Chicago: American Marketing Association, pp. 25-28. Bibliographic details and interpretation checked through Berry (1995; 2002); the original volume was not separately consulted in full.

Berry, L. L. (1995) ‘Relationship Marketing of Services – Growing Interest, Emerging Perspectives’, Journal of the Academy of Marketing Science, 23(4), pp. 236-245. https://doi.org/10.1177/009207039502300402. Public abstract, references and indexed extract discussing the 1983 paper consulted.

Berry, L. L. (2002) ‘Relationship Marketing of Services Perspectives from 1983 and 2000’, Journal of Relationship Marketing, 1(1), pp. 59-77. https://doi.org/10.1300/J366v01n01_05. Public abstract and publication details consulted.

Brennan, R. and Canning, L. (2004) Towards an Enrichment of the IMP Concept of ‘Adaptations’. IMP Conference working paper. https://impgroup.org/wp-content/uploads/wpallimport/files/papers/4510.pdf (Accessed: 22 October 2026).

Defoe, D. (1726/1839) The Complete English Tradesman. Edinburgh edition, 1839; digital edition, Project Gutenberg, no. 14444. https://www.gutenberg.org/cache/epub/14444/pg14444-images.html (Accessed: 22 October 2026).

Dwyer, F. R., Schurr, P. H. and Oh, S. (1987) ‘Developing Buyer-Seller Relationships’, Journal of Marketing, 51(2), pp. 11-27. https://doi.org/10.1177/002224298705100202. Public abstract consulted.

Ford, D. (1980) ‘The Development of Buyer-Seller Relationships in Industrial Markets’, European Journal of Marketing, 14(5/6), pp. 339-353. https://doi.org/10.1108/EUM0000000004910. Used bibliographically as an earlier contribution.

Grönroos, C. (1994) ‘From Marketing Mix to Relationship Marketing: Towards a Paradigm Shift in Marketing’, Management Decision, 32(2), pp. 4-20. https://doi.org/10.1108/00251749410054774. Public abstract consulted.

Jones, D. G. B. and Tadajewski, M. (eds.) (2016) The Routledge Companion to Marketing History. Abingdon: Routledge. Publisher description and contents consulted. https://www.routledge.com/The-Routledge-Companion-to-Marketing-History-1st-Edition/Jones-Tadajewski/p/book/9781315882857 (Accessed: 22 October 2026).

Morgan, R. M. and Hunt, S. D. (1994) ‘The Commitment-Trust Theory of Relationship Marketing’, Journal of Marketing, 58(3), pp. 20-38. https://doi.org/10.1177/002224299405800302. Public abstract consulted.

Palmatier, R. W., Dant, R. P., Grewal, D. and Evans, K. R. (2006) ‘Factors Influencing the Effectiveness of Relationship Marketing: A Meta-Analysis’, Journal of Marketing, 70(4), pp. 136-153. https://doi.org/10.1509/jmkg.70.4.136. Also consulted: AMA account, 8 January 2019, https://www.ama.org/2019/01/08/factors-influencing-the-effectiveness-of-relationship-marketing-a-meta-analysis/ (Accessed: 22 October 2026).

Parasuraman, A., Zeithaml, V. A. and Berry, L. L. (1985) ‘A Conceptual Model of Service Quality and Its Implications for Future Research’, Journal of Marketing, 49(4), pp. 41-50. https://doi.org/10.1177/002224298504900403. Used as a dated contribution to service-quality research.

Payne, A. and Frow, P. (2005) ‘A Strategic Framework for Customer Relationship Management’, Journal of Marketing, 69(4), pp. 167-176. https://doi.org/10.1509/jmkg.2005.69.4.167. Public abstract consulted.

Proença, J. F., Fernandes, T. M. and Kannan, P. K. (2007) ‘The Relationships in Marketing: Contribution of a Historical Perspective’, Proceedings of the Conference on Historical Analysis and Research in Marketing, pp. 172-179. https://ojs.library.carleton.ca/index.php/pcharm/article/download/1580/1424 (Accessed: 22 October 2026).

Reinartz, W. J. and Kumar, V. (2000) ‘On the Profitability of Long-Life Customers in a Noncontractual Setting: An Empirical Investigation and Implications for Marketing’, Journal of Marketing, 64(4), pp. 17-35. https://doi.org/10.1509/jmkg.64.4.17.18077. Public abstract consulted.

Tadajewski, M. (2015) ‘Charting relationship marketing practice: it really didn’t emerge in the 1970s’, Journal of Historical Research in Marketing, 7(4), pp. 486-508. https://doi.org/10.1108/JHRM-03-2015-0010. Public abstract consulted.