The impact of the digital economy on the added value per economic activity in OECD countries : the role of entrepreneurship
View/
Keywords
Διεθνή οικονομικά ; Οικονομική ανάλυση ; Επιχειρηματικότητα ; Ψηφιακή οικονομία ; Χρηματοοικονομική τεχνολογία ; Οικονομική ανάπτυξη ; Καινοτομία ; Ψηφιακός μετασχηματισμός ; Οικονομική πολιτικήAbstract
This Dissertation investigates the impact of the Digital Economy on sectoral Gross Value Added (GVA) across OECD countries, emphasizing the mediating role of Entrepreneurship. By moving beyond national aggregates, it provides a sector-resolved account of how Digitalisation and Entrepreneurial activity interact to shape Economic Performance.
The analysis uses a 19-year panel of 20 economic sectors across OECD countries, drawing on a dataset of more than 350 indicators of the Digital Economy and Entrepreneurship. Econometric approaches are combined: two-way Fixed Effects regressions with LASSO-based variable selection to identify baseline effects; factor-based models using Sparse Principal Component Analysis (SPCA) to capture Digital and Entrepreneurial complementarities; and factor-augmented local-projection Impulse Responses (IRFs) to trace adjustment dynamics. In addition, a novel Sectoral Digital Economy Index (SDEI) is developed and piloted for Education and for Financial & Insurance activities, while a comparative assessment of leading Digital Economy indexes further strengthens measurement validity.
Findings demonstrate that the Digital Economy acts as a heterogeneous driver of growth with distinct sectoral patterns. In Primary and Secondary industries, Digitalisation is strongly positive when embedded in core processes and supported by adoption capacity. In Knowledge and Service intensive sectors, the impact of Digitalisation is heterogeneous: it yields substantial growth contributions when supported by robust institutional frameworks and high levels of human capital, but its effects become marginal or neutral where absorptive capacity is weak and structural constraints remain. In regulated or fragmented domains, the contribution of Digitalisation frequently diminishes and may even turn negative under conditions of elevated costs, rigid governance structures, or legacy system constraints. Across all sectors, Entrepreneurship functions as a consistent multiplier, converting digital opportunities into Value Added, though its strength depends on the surrounding institutional and financial ecosystem.
The study advances the field through three main contributions: (i) it develops a sector-specific framework for understanding the Digital Economy–Entrepreneurship nexus; (ii) it introduces a replicable index architecture for measuring Sectoral Digital Economy; and (iii) it applies high-dimensional econometrics to identify complementarities and dynamic adjustment paths.
Policy implications highlight the need for sector-tailored sequencing: first expanding connectivity and adoption, then reducing affordability and regulatory frictions, building absorptive capacity, and only thereafter scaling advanced technologies. Such sequencing ensures that digital investments, reinforced by entrepreneurial ecosystems, translate into durable and inclusive sectoral growth.
Department
Σχολή Οικονομικών, Επιχειρηματικών και Διεθνών Σπουδών. Τμήμα Διεθνών και Ευρωπαϊκών ΣπουδώνNumber of pages
414Language
EnglishCollections
Except where otherwise noted, this item's license is described as
Αναφορά Δημιουργού-Μη Εμπορική Χρήση-Όχι Παράγωγα Έργα 3.0 Ελλάδα
Αναφορά Δημιουργού-Μη Εμπορική Χρήση-Όχι Παράγωγα Έργα 3.0 Ελλάδα