“…We also classified the studies we investigated by continent ( Figure 4). Most of the research studies we have found occur in Europe, which makes up 41% of the research (e.g., Girgenti, Peano, Baudino, & Tecco, 2014;Hertel & Menrad, 2015;Flynn & Davis, 2016;Jansson, Nilsson, Modig, & Hed Vall, 2017;Mayr, Mitter, & Aichmayr, 2017;Torkkeli, Kuivalainen, Saarenketo, & Puumalainen, 2019;Girella, Zambon, & Rossi, 2019), Asia accounts for 22% (e.g., Seth, Rehman, & Shrivastava, 2018;Singh, Olugu, & Musa, 2016) and South America at 19% (e.g., Lucato, Costa, & ables on which SMEs can be categorized (Bar, 2015;Boiral, Ebrahimi, Kuyken, & Talbot, 2019;Groot et al, 2019;Long, Looijen, & Blok, 2018;Malesios et al, 2018;Prieto-Sandoval, Ormazabal, Jaca, & Viles, 2018). Our results show the pattern in the sectors that are studied from 2013 to 2019 (Figure 7).…”