TABLE 7.

Top four intellectual turning point cited articles in economic and social value in the sport industry.

Centrality	Cluster	Author	Title	Year	Source	Study type	Country	Sport	Methodology
0.18	6	Alexandris and Tsiotsou	Segmenting soccer spectators by attachment levels: a psychographic profile based on team self-expression and involvement	2012	Eur Sport Manag Q	Theoretical and empirical	Greece	Football	Quantitative
0.17	6	Lock, Taylor, Funk and Darcy	Exploring the development of team identification	2012	J Sport Manage	Theoretical and empirical	Australia	Football	Qualitative
0.17	6	Pérez, García de los Salmones and Rodríguez del Bosque	The effect of corporate associations on consumer behaviour	2013	Eur J Marketing	Theoretical and empirical	Spain	*Financial services	Quantitative
0.16	1	Babiak and Wolfe,	Determinants of corporate social responsibility in professional sport: internal and external factors	2009	J Sport Manage	Theoretical and empirical	United States	NFL, MLB, NHL and NBA	Qualitative

*It does not deal with sport industry.