Abstract
Personal data has been described as the “the new oil of the Internet.” The global data monetization market is projected to increase to USD 6.1bn by 2025, and the success of giants like Facebook or Google speaks for itself. Almost all companies create, store, share and/or use personal data i.e. information from or about individuals. While the current assumption is that data subjects voluntarily share their data in exchange for a “free” service, the awareness of the value of personal data and data sovereignty is growing amongst consumers, businesses, and regulators alike. However, there is currently no consensus on which factors influence the value of personal data and how personal data should be priced regarding self-determination and data sovereignty. With this narrative review, we answer the following research question: Which factors influence the pricing of personal data? We show that research on the subject is diverse and that there is no consensus on the optimal pricing mechanism. We identify individual privacy and risk preferences, informational self-determination, sensitivity of data and data volume and inferability as most prevalent influence factors. We underline the need to establish ways for data owners to exercise data sovereignty and informed consent about data usage.
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Notes
- 1.
The category “Data Market Model, Technical” refers to papers focusing on algorithms and technical solutions for data markets.
- 2.
Willingness to pay (WTP) refers to the maximum amount of money an individual would be willing to pay to secure a specific change, while willingness to accept (WTA) refers to the minimum amount a person would be willing to accept to forego said change [34].
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Acknowledgements
This research was partially funded by the German Federal Ministry of Education and Research (BMBF) within the scope of the research project DaWID (Platform for value determination and self-determined data release; funding reference number: 16SV8383).
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Appendix - Overview of Included Papers
Appendix - Overview of Included Papers
# | Paper | Classification | Key issue explored |
---|---|---|---|
13 | Feijóo et al. [4] | Case Study | Case study on estimation of personal data |
18 | Hacker & Petkova [41] | Case Study | Case study on active choice of using data as currency |
20 | Holt et al. [42] | Case Study | Case study on value of data in stolen data markets |
21 | Jentzsch [43] | Commentary | Commentary on the difficulties of valuing personal data |
37 | Perera et al. [44] | Commentary | Commentary on the challenges of privacy protection in IoT |
39 | Raskar et al. [45] | Commentary | Commentary on challenges of data pricing and data markets |
44 | Sidgman & Crompton [6] | Commentary | Theoretical commentary on current challenges and research opportunities |
4 | Bataineh et al. [23] | Data Market Model | Two-sided data market model with experimental comparison based on real life data set |
8 | Choi et al. [46] | Data Market Model | Theoretical data market model with consumer consent for data collection |
12 | Dimakopoulos & Sudaric [47] | Data Market Model | Theoretical data market with platform competition |
16 | Gkatzelis et al. [48] | Data Market Model | Theoretical data market model for unbiased data samples |
22 | Jiao et al. [22] | Data Market Model | Data market model with Bayesian profit maximization auction |
23 | Lei Xu et al. [24] | Data Market Model | Theoretical data market model with privacy and learning policies in a multi-armed bandit model |
24 | Li & Raghunathan [49] | Data Market Model | Data market model when purpose of data use is unclear |
34 | Niyato et al. [20] | Data Market Model | Theoretical data market model for optimal big data pricing with simulation |
36 | Oh et al. [50] | Data Market Model | Theoretical data market model between broker and service provider under profit maximization and respect for privacy protection and valuation |
38 | Radhakrishnan & Das [51] | Data Market Model | Theoretical data market model for smart grid data |
45 | Spiekermann et al. [52] | Data Market Model | Theoretical data market model focusing on challenges of personal data markets |
46 | Spiekermann & Novotny [53] | Data Market Model | Theoretical data market model focusing on operating principles |
49 | Tian et al. [54] | Data Market Model | Theoretical data market model based on optimal contract-based mechanisms |
50 | Wang et al. [21] | Data Market Model | Theoretical data market model with data owners exhibiting informed consent in a Nash equilibrium with a non-trusted data collector |
3 | Balazinska et al. [55] | Data Market Model, Technical | Technical data market model with query-based pricing |
11 | De Capitani Di Vimercati et al. [27] | Data Market Model, Technical | Technical data market model focusing on including privacy issues in a cloud setting |
25 | Li et al. [56] | Data Market Model, Technical | Technical data market model with query-based pricing |
30 | Nget et al.[25] | Data Market Model, Technical | Technical market model and simulation of query-based pricing mechanism |
53 | Yang & Xing [26] | Data Market Model, Technical | Algorithm for personal data pricing with multi-level privacy division |
7 | Biswas et al. [39] | Data Pricing Model | Theoretical model to induce data provider to accurately report privacy price within differential privacy |
29 | Mehta et al. [57] | Data Pricing Model | Theoretical data pricing model with price-quantity schedule and approximation scheme for data seller |
32 | Niu et al.[58] | Data Pricing Model | Technical pricing model for trading aggregate statistics over private correlated data |
33 | Niu et al. [59] | Data Pricing Model | Algorithm for personal data pricing with reverse price constraint |
42 | Shen et al. [60] | Data Pricing Model | Data pricing model for Big Personal Data based on tuple granularity |
43 | Shen et al. [61] | Data Pricing Model | Data pricing model based on data provenance |
54 | Zhang et al. [62] | Data Pricing Model | Data pricing with privacy concern introducing privacy cost concept |
1 | Acquisti et al. [35] | Experiment | Experiment on WTP/WTA money for private data and privacy |
5 | Bauer et al. [29] | Experiment | Survey-based experiment on value of Facebook user information from user perspective |
6 | Benndorf & Normann [31] | Experiment | Experiment to extraxt WTA money with take-it-or-leave-it offers |
10 | Danezis et al. [33] | Experiment | Experiment on WTA money for location tracking |
15 | Frik & Gaudeul [30] | Experiment | Method and experimental validation for elicitating the implicit value of privacy under risk |
17 | Grossklags & Acquisti [37] | Experiment | Experiment on WTP/WTA money for private data and privacy |
19 | Hann et al. [63] | Experiment | Conjoint analysis to estimate individual’s utility of mitigate privacy concerns |
26 | Lim et al. [64] | Experiment | Discrete choice experiment to estimate value of types of personal information leakage |
27 | Mahmoodi et al. [28] | Experiment | Experiment quantifying WTP for different levels of privacy on social media platforms & analysis of psychological factors (ongoing) |
31 | Nielsen [38] | Experiment | Experiment showing lay peoples reaction to data markets is diverse and shows unwillingness to participate in data market |
41 | Schomakers et al. [65] | Experiment | Mixed-method study on data sharing and privacy preferences in data markets |
47 | Spiekermann & Korunovska [3] | Experiment | Experiment on WTP/WTA money for private data and privacy |
48 | Staiano et al. [32] | Experiment | Living lab experiment focusing on pricing and correlated behaviour patterns |
52 | Winegar & Sunstein [36] | Experiment | Survey-based experiment on the disparity of WTP and WTA money to give up privacy |
2 | Acquisti et al. [7] | Literature Review | Literature review on privacy |
14 | Fricker & Maksimov [15] | Literature Review | Literature review on pricing of data products |
28 | Malgieri & Custers [14] | Literature Review | Literature review on pricing of personal data |
51 | Wdowin & Diepeveen[16] | Literature Review | Literature review on value of personal data |
9 | Coyle et al. [66] | Report | Policy Recommendation for capturing data value |
35 | OECD [5] | Report | Overarching report on pricing personal data |
40 | Rose et al. [67] | Report | Report on value of digital identity based on EU survey |
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Busch-Casler, J., Radic, M. (2022). Personal Data Markets: A Narrative Review on Influence Factors of the Price of Personal Data. In: Guizzardi, R., Ralyté, J., Franch, X. (eds) Research Challenges in Information Science. RCIS 2022. Lecture Notes in Business Information Processing, vol 446. Springer, Cham. https://doi.org/10.1007/978-3-031-05760-1_1
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