1 Introduction: Entrepreneurial Ecosystems.- 2 Building Composite Indicators for Policy Optimization Purposes.- 3 World Technology Frontier: Directed Technical Change and the Relevance of the Entrepreneurial Ecosystem.- 4 The Entrepreneurship Paradox: The Role of the Entrepreneurial Ecosystem on Economic Performance in Africa.- 5 The Monetization of the Regional Development and Innovation Index: Estimating the Cost of Entrepreneurship Ecosystem Policies in European Union Regions.- 6 Entrepreneurial Ecosystem in the European Union Regions: Identification of Optimal Ecosystem Configurations for Informed Policy.- 7 Measuring the Effects of Policies Targeting Entrepreneurial Ecosystems: An Application of the GMR Framework with REDI.- 8 Digital Inequality and the Signature of Digital Technologies and the Digital Ecosystem: Analysis of Deviations in the Rank-Size Rule of Internet Access Data.- 9 A Tale of Two Cities: How Arlington Won and Baltimore Lost in Battle for Amazon’s HQ2.- 10 Measuring the Modern Entrepreneur: An Evaluation of Elon Musk.- 11 How to Tame the Beast? Toward a ‘Regulation Revolution’ in the Digital Platform Economy.- 12 The Ecology of Innovation: The Evolution of a Research Paradigm.

This edited volume systematically demonstrates the evolution of research in entrepreneurial ecosystems and highlights its importance to policy. Presenting two particular aspects of research in entrepreneurial ecosystems, the book begins with chapters that analyse multi-country contexts before going on to explore the digital entrepreneurial ecosystem. With state of the art research, this volume explores the economic, social, and policy approaches that characterize fruitful research on entrepreneurial ecosystems with economically meaningful implications for policy.Contributing to the rapidly expanding field of research, this is an insightful resource to students, researchers and policy makers interested in entrepreneurship. Zoltan J. Acs is Professor Emeritus at George Mason University Schar School of Policy and Government, USA. He founded Small Business Economics (co-editor in chief until 2021). Acs is a leading advocate of the importance of entrepreneurship for economic development. He has published more than 20 books and 100 articles in, among others, American Economic Review, Review of Economics and Statistics, and Research Policy.Esteban Lafuente is Professor at the Business School, Costa Rica Institute of Technology, Costa Rica. He also serves as Editor of Small Business Economics. Lafuente’s research focuses on entrepreneurship, productivity, and territorial development. His publication record includes more than 30 articles published in, among others, Research Policy, Small Business Economics, Regional Studies, and British Journal of Management. László Szerb is Full Professor at the Faculty of Business and Economics, University of Pécs, Hungary. Szerb is also Editor of Small Business Economics. His research focuses on entrepreneurship - in particular entrepreneurship ecosystems - and SME competitiveness. He has published 77 journal articles (including Regional Studies, Research Policy, and Small Business Economics), 36 books, and 27 book chapters.

Draws essential links between theory and practice connecting economics, entrepreneurship, and regional development Offers distinctive implications for public economic and social policy making Gives a nuanced and critical understanding of ecosystems and their relevance

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