The first volume of the book entitled 'Diversity of Business Development' was published in 2017 with the aim to present the diversity of research activities of the Institute for the Development of Enterprises at Corvinus University of Budapest. This fifth volume continues to take an interdisciplinary approach on the main areas of business development and provides publication possibilities for young and senior researchers. The authors of the book are Attila Virág (energy strategies), Márta Aranyossy and Krisztofer Szabó (entrepreneurship), Tamás Kristóf (bank failure), Ilona Hoffer and Viktória Katona (value management), Nikolett Deutsch, Viktor Nagy-Borsy, Éva Pintér, Ilona Hoffer, László Berényi, and Ronnen Avny (strategic technology management), Zoltán Felméry (government expenditures).