Evolution of digital transformation in SMEs management through a bibliometric analysis
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DOI: 10.1016/j.techfore.2023.123014
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- Donthu, Naveen & Kumar, Satish & Mukherjee, Debmalya & Pandey, Nitesh & Lim, Weng Marc, 2021. "How to conduct a bibliometric analysis: An overview and guidelines," Journal of Business Research, Elsevier, vol. 133(C), pages 285-296.
- Zhang Zhen & Zahid Yousaf & Magdalena Radulescu & Muhammad Yasir, 2021. "Nexus of Digital Organizational Culture, Capabilities, Organizational Readiness, and Innovation: Investigation of SMEs Operating in the Digital Economy," Sustainability, MDPI, vol. 13(2), pages 1-15, January.
- Aria, Massimo & Cuccurullo, Corrado, 2017. "bibliometrix: An R-tool for comprehensive science mapping analysis," Journal of Informetrics, Elsevier, vol. 11(4), pages 959-975.
- Leo Egghe, 2006. "Theory and practise of the g-index," Scientometrics, Springer;Akadémiai Kiadó, vol. 69(1), pages 131-152, October.
- Denicolai, Stefano & Zucchella, Antonella & Magnani, Giovanna, 2021. "Internationalization, digitalization, and sustainability: Are SMEs ready? A survey on synergies and substituting effects among growth paths," Technological Forecasting and Social Change, Elsevier, vol. 166(C).
- Richard S. J. Tol, 2009.
"The h-index and its alternatives: An application to the 100 most prolific economists,"
Scientometrics, Springer;Akadémiai Kiadó, vol. 80(2), pages 317-324, August.
- Richard S.J. Tol, 2007. "Of The H-Index And Its Alternatives: An Application To The 100 Most Prolific Economists," Working Papers FNU-146, Research unit Sustainability and Global Change, Hamburg University, revised Sep 2007.
- Pizzi, Simone & Venturelli, Andrea & Variale, Michele & Macario, Giuseppe Pio, 2021. "Assessing the impacts of digital transformation on internal auditing: A bibliometric analysis," Technology in Society, Elsevier, vol. 67(C).
- Raj, Alok & Dwivedi, Gourav & Sharma, Ankit & Lopes de Sousa Jabbour, Ana Beatriz & Rajak, Sonu, 2020. "Barriers to the adoption of industry 4.0 technologies in the manufacturing sector: An inter-country comparative perspective," International Journal of Production Economics, Elsevier, vol. 224(C).
- Werner Marx & Lutz Bornmann & Andreas Barth & Loet Leydesdorff, 2014. "Detecting the historical roots of research fields by reference publication year spectroscopy (RPYS)," Journal of the Association for Information Science & Technology, Association for Information Science & Technology, vol. 65(4), pages 751-764, April.
- Hess, Thomas & Matt, Christian & Benlian, Alexander & Wiesböck, Florian, 2016. "Options for Formulating a Digital Transformation Strategy," Publications of Darmstadt Technical University, Institute for Business Studies (BWL) 81032, Darmstadt Technical University, Department of Business Administration, Economics and Law, Institute for Business Studies (BWL).
- Matt, C. & Hess, Thomas & Benlian, Alexander, 2015. "Digital Transformation Strategies," Publications of Darmstadt Technical University, Institute for Business Studies (BWL) 75002, Darmstadt Technical University, Department of Business Administration, Economics and Law, Institute for Business Studies (BWL).
- Shafique-ur Rehman & Rapiah Mohamed & Hazeline Ayoup, 2019. "The mediating role of organizational capabilities between organizational performance and its determinants," Journal of Global Entrepreneurship Research, Springer;UNESCO Chair in Entrepreneurship, vol. 9(1), pages 1-23, December.
- Iva Gregurec & Martina Tomičić Furjan & Katarina Tomičić-Pupek, 2021. "The Impact of COVID-19 on Sustainable Business Models in SMEs," Sustainability, MDPI, vol. 13(3), pages 1-24, January.
- Ricci, Riccardo & Battaglia, Daniele & Neirotti, Paolo, 2021. "External knowledge search, opportunity recognition and industry 4.0 adoption in SMEs," International Journal of Production Economics, Elsevier, vol. 240(C).
- Satish Nambisan, 2017. "Digital Entrepreneurship: Toward a Digital Technology Perspective of Entrepreneurship," Entrepreneurship Theory and Practice, , vol. 41(6), pages 1029-1055, November.
- Troise, Ciro & Corvello, Vincenzo & Ghobadian, Abby & O'Regan, Nicholas, 2022. "How can SMEs successfully navigate VUCA environment: The role of agility in the digital transformation era," Technological Forecasting and Social Change, Elsevier, vol. 174(C).
- Abdalwali Lutfi & Adi Alsyouf & Mohammed Amin Almaiah & Mahmaod Alrawad & Ahmed Abdullah Khalil Abdo & Akif Lutfi Al-Khasawneh & Nahla Ibrahim & Mohamed Saad, 2022. "Factors Influencing the Adoption of Big Data Analytics in the Digital Transformation Era: Case Study of Jordanian SMEs," Sustainability, MDPI, vol. 14(3), pages 1-17, February.
- Veronica Scuotto & Manlio Del Giudice & Elias G. Carayannis, 2017. "The effect of social networking sites and absorptive capacity on SMES’ innovation performance," The Journal of Technology Transfer, Springer, vol. 42(2), pages 409-424, April.
- Christian Matt & Thomas Hess & Alexander Benlian, 2015. "Digital Transformation Strategies," Business & Information Systems Engineering: The International Journal of WIRTSCHAFTSINFORMATIK, Springer;Gesellschaft für Informatik e.V. (GI), vol. 57(5), pages 339-343, October.
- Müller, Julian Marius & Buliga, Oana & Voigt, Kai-Ingo, 2018. "Fortune favors the prepared: How SMEs approach business model innovations in Industry 4.0," Technological Forecasting and Social Change, Elsevier, vol. 132(C), pages 2-17.
- Georg Hauer & Nadine Naumann & Patrick Harte, 2021. "Digital transformation challenges successful enterprises – an exploration of the collaboration of marketing and sales department in German organizations," Innovation & Management Review, Emerald Group Publishing Limited, vol. 18(2), pages 164-174, June.
- Alexandre Moeuf & Robert Pellerin & Samir Lamouri & Simon Tamayo-Giraldo & Rodolphe Barbaray, 2018. "The industrial management of SMEs in the era of Industry 4.0," International Journal of Production Research, Taylor & Francis Journals, vol. 56(3), pages 1118-1136, February.
- Bornmann, Lutz & Marx, Werner, 2018. "Critical rationalism and the search for standard (field-normalized) indicators in bibliometrics," Journal of Informetrics, Elsevier, vol. 12(3), pages 598-604.
- David J. Teece, 2007. "Explicating dynamic capabilities: the nature and microfoundations of (sustainable) enterprise performance," Strategic Management Journal, Wiley Blackwell, vol. 28(13), pages 1319-1350, December.
- Jonas Soluk & Nadine Kammerlander, 2021. "Digital transformation in family-owned Mittelstand firms: A dynamic capabilities perspective," European Journal of Information Systems, Taylor & Francis Journals, vol. 30(6), pages 676-711, November.
- Singh, Sanjay Kumar & Gupta, Shivam & Busso, Donatella & Kamboj, Shampy, 2021. "Top management knowledge value, knowledge sharing practices, open innovation and organizational performance," Journal of Business Research, Elsevier, vol. 128(C), pages 788-798.
- Yi-Ming Guo & Zhen-Ling Huang & Ji Guo & Hua Li & Xing-Rong Guo & Mpeoane Judith Nkeli, 2019. "Bibliometric Analysis on Smart Cities Research," Sustainability, MDPI, vol. 11(13), pages 1-18, June.
- Wolfgang Becker & Oliver Schmid, 2020. "The right digital strategy for your business: an empirical analysis of the design and implementation of digital strategies in SMEs and LSEs," Business Research, Springer;German Academic Association for Business Research, vol. 13(3), pages 985-1005, November.
- Tortorella, Guilherme Luz & Cawley Vergara, Alejandro Mac & Garza-Reyes, Jose Arturo & Sawhney, Rapinder, 2020. "Organizational learning paths based upon industry 4.0 adoption: An empirical study with Brazilian manufacturers," International Journal of Production Economics, Elsevier, vol. 219(C), pages 284-294.
- Margaret Peteraf & Giada Di Stefano & Gianmario Verona, 2013. "The elephant in the room of dynamic capabilities: Bringing two diverging conversations together," Post-Print hal-00982438, HAL.
- Boumediene Ramdani & Siddhartha Raja & Marina Kayumova, 2022. "Digital innovation in SMEs: a systematic review, synthesis and research agenda," Information Technology for Development, Taylor & Francis Journals, vol. 28(1), pages 56-80, January.
- Ziaul Haque Munim & Mariia Dushenko & Veronica Jaramillo Jimenez & Mohammad Hassan Shakil & Marius Imset, 2020. "Big data and artificial intelligence in the maritime industry: a bibliometric review and future research directions," Maritime Policy & Management, Taylor & Francis Journals, vol. 47(5), pages 577-597, July.
- Cruz-Cárdenas, Jorge & Zabelina, Ekaterina & Guadalupe-Lanas, Jorge & Palacio-Fierro, Andrés & Ramos-Galarza, Carlos, 2021. "COVID-19, consumer behavior, technology, and society: A literature review and bibliometric analysis," Technological Forecasting and Social Change, Elsevier, vol. 173(C).
- Daniela Livia Trașcă & George Marian Ștefan & Daniela Nicoleta Sahlian & Răzvan Hoinaru & George-Laurențiu Șerban-Oprescu, 2019. "Digitalization and Business Activity. The Struggle to Catch Up in CEE Countries," Sustainability, MDPI, vol. 11(8), pages 1-17, April.
- Ebinimi Tebepah, 2020. "Digital Economy: The Role of the Telecoms Regulator in Nigeria," International Journal of Innovation in the Digital Economy (IJIDE), IGI Global, vol. 11(4), pages 27-38, October.
- Mico Apostolov & Nunzia Coco, 2021. "Digitalization-Based Innovation — A Case Study Framework," International Journal of Innovation and Technology Management (IJITM), World Scientific Publishing Co. Pte. Ltd., vol. 18(05), pages 1-25, August.
- Nasiri, Mina & Ukko, Juhani & Saunila, Minna & Rantala, Tero, 2020. "Managing the digital supply chain: The role of smart technologies," Technovation, Elsevier, vol. 96.
- Bouwman, Harry & Nikou, Shahrokh & de Reuver, Mark, 2019. "Digitalization, business models, and SMEs: How do business model innovation practices improve performance of digitalizing SMEs?," Telecommunications Policy, Elsevier, vol. 43(9).
- Joseph K. Nwankpa & Pratim Datta, 2017. "Balancing exploration and exploitation of IT resources: the influence of Digital Business Intensity on perceived organizational performance," European Journal of Information Systems, Taylor & Francis Journals, vol. 26(5), pages 469-488, September.
- Kathleen M. Eisenhardt & Jeffrey A. Martin, 2000. "Dynamic capabilities: what are they?," Strategic Management Journal, Wiley Blackwell, vol. 21(10‐11), pages 1105-1121, October.
- Hai Guo & Zhuen Yang & Ran Huang & Anqi Guo, 2020. "The digitalization and public crisis responses of small and medium enterprises: Implications from a COVID-19 survey," Frontiers of Business Research in China, Springer, vol. 14(1), pages 1-25, December.
- Verhoef, Peter C. & Broekhuizen, Thijs & Bart, Yakov & Bhattacharya, Abhi & Qi Dong, John & Fabian, Nicolai & Haenlein, Michael, 2021. "Digital transformation: A multidisciplinary reflection and research agenda," Journal of Business Research, Elsevier, vol. 122(C), pages 889-901.
- Müller, Julian M. & Buliga, Oana & Voigt, Kai-Ingo, 2021. "The role of absorptive capacity and innovation strategy in the design of industry 4.0 business Models - A comparison between SMEs and large enterprises," European Management Journal, Elsevier, vol. 39(3), pages 333-343.
- Dalenogare, Lucas Santos & Benitez, Guilherme Brittes & Ayala, Néstor Fabián & Frank, Alejandro Germán, 2018. "The expected contribution of Industry 4.0 technologies for industrial performance," International Journal of Production Economics, Elsevier, vol. 204(C), pages 383-394.
- Manjit S. Yadav & Paul A. Pavlou, 2020. "Technology-enabled interactions in digital environments:a conceptual foundation for current and future research," Journal of the Academy of Marketing Science, Springer, vol. 48(1), pages 132-136, January.
- Matt, C. & Hess, Thomas & Benlian, Alexander, 2015. "Digital Transformation Strategies," Publications of Darmstadt Technical University, Institute for Business Studies (BWL) 75202, Darmstadt Technical University, Department of Business Administration, Economics and Law, Institute for Business Studies (BWL).
- Popa, Simona & Soto-Acosta, Pedro & Martinez-Conesa, Isabel, 2017. "Antecedents, moderators, and outcomes of innovation climate and open innovation: An empirical study in SMEs," Technological Forecasting and Social Change, Elsevier, vol. 118(C), pages 134-142.
- Kraus, Sascha & Durst, Susanne & Ferreira, João J. & Veiga, Pedro & Kailer, Norbert & Weinmann, Alexandra, 2022. "Digital transformation in business and management research: An overview of the current status quo," International Journal of Information Management, Elsevier, vol. 63(C).
- Christian F. Durach & Joakim Kembro & Andreas Wieland, 2017. "A New Paradigm for Systematic Literature Reviews in Supply Chain Management," Journal of Supply Chain Management, Institute for Supply Management, vol. 53(4), pages 67-85, October.
- Matarazzo, Michela & Penco, Lara & Profumo, Giorgia & Quaglia, Roberto, 2021. "Digital transformation and customer value creation in Made in Italy SMEs: A dynamic capabilities perspective," Journal of Business Research, Elsevier, vol. 123(C), pages 642-656.
- Francesco Castagna & Piera Centobelli & Roberto Cerchione & Emilio Esposito & Eugenio Oropallo & Renato Passaro, 2020. "Customer Knowledge Management in SMEs Facing Digital Transformation," Sustainability, MDPI, vol. 12(9), pages 1-16, May.
- Elia, Stefano & Giuffrida, Maria & Mariani, Marcello M. & Bresciani, Stefano, 2021. "Resources and digital export: An RBV perspective on the role of digital technologies and capabilities in cross-border e-commerce," Journal of Business Research, Elsevier, vol. 132(C), pages 158-169.
- Ulrich Lichtenthaler, 2021. "Profiting From Digital Transformation?: Combining Data Management and Artificial Intelligence," International Journal of Service Science, Management, Engineering, and Technology (IJSSMET), IGI Global, vol. 12(5), pages 68-79, September.
- Del Giudice, M. & Scuotto, V. & Garcia-Perez, A. & Messeni Petruzzelli, A., 2019. "Shifting Wealth II in Chinese economy. The effect of the horizontal technology spillover for SMEs for international growth," Technological Forecasting and Social Change, Elsevier, vol. 145(C), pages 307-316.
- Matthew J Page & Joanne E McKenzie & Patrick M Bossuyt & Isabelle Boutron & Tammy C Hoffmann & Cynthia D Mulrow & Larissa Shamseer & Jennifer M Tetzlaff & Elie A Akl & Sue E Brennan & Roger Chou & Jul, 2021. "The PRISMA 2020 statement: An updated guideline for reporting systematic reviews," PLOS Medicine, Public Library of Science, vol. 18(3), pages 1-15, March.
- Ernesto Cassetta & Umberto Monarca & Ivano Dileo & Claudio Di Berardino & Marco Pini, 2020. "The relationship between digital technologies and internationalisation. Evidence from Italian SMEs," Industry and Innovation, Taylor & Francis Journals, vol. 27(4), pages 311-339, April.
- Abdallah Q. Bataineh & Ghaith M. Al-Abdallah & Anas Y. Alhadid, 2015. "The Role of Information Technology Capabilities in Capitalizing Market Agility in Jordanian Telecommunications Sector," International Journal of Academic Research in Business and Social Sciences, Human Resource Management Academic Research Society, International Journal of Academic Research in Business and Social Sciences, vol. 5(8), pages 90-101, August.
- Fletcher, Gordon & Griffiths, Marie, 2020. "Digital transformation during a lockdown," International Journal of Information Management, Elsevier, vol. 55(C).
- Marc Bidan & Frantz Rowe & Duane Truex, 2012. "An empirical study of IS architectures in French SMEs: integration approaches," European Journal of Information Systems, Taylor & Francis Journals, vol. 21(3), pages 287-302, May.
- Angelo Bonfanti & Manlio Del Giudice & Armando Papa, 2018. "Italian Craft Firms Between Digital Manufacturing, Open Innovation, and Servitization," Journal of the Knowledge Economy, Springer;Portland International Center for Management of Engineering and Technology (PICMET), vol. 9(1), pages 136-149, March.
- Hess, Thomas & Matt, Christian & Benlian, Alexander & Wiesböck, Florian, 2016. "Options for Formulating a Digital Transformation Strategy," Publications of Darmstadt Technical University, Institute for Business Studies (BWL) 82423, Darmstadt Technical University, Department of Business Administration, Economics and Law, Institute for Business Studies (BWL).
- Sousa, Maria José & Rocha, Álvaro, 2019. "Skills for disruptive digital business," Journal of Business Research, Elsevier, vol. 94(C), pages 257-263.
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Keywords
Digital transformation; Digital technology; Digital capabilities; SMEs; Bibliometrix; Digital strategy;All these keywords.
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