Introduction to the 2nd edition / Z. Acs, D. Audretsch -- Debates in entrepreneurship : opportunity formation and … implications for the field of entrepreneurship / S. Alvarez, J. Barney, S. Young -- An update to the individual-opportunity nexus … entrepreneurship : an introduction and research review / D. Kuratko -- High-impact entrepreneurship / Z. Acs -- Equity financing / P …