“…The economic reason is the need of firms to cut costs, such as operational and labor cost in order to improve profitability and add value and save cost with the aim to gain efficiency and improve revenues (Hung Lau & Zhang, 2006). More typical strategic reasons have recently distinguished HRO, including focus on core competences, ensure organization's position in the marketplace (Hartman, Ogden & Hazen, 2017), call for participation of HR departments in strategic issues, achieve greater business flexibility, improve quality by achieving economies of scale, gain access to specialized HR external expertise (Butler & Callahan, 2014;Chiang, Chow & Birtch, 2010;Delmotte & Sels, 2008;Gilley, Greer & Rasheed, 2004;Glaister, 2014;Klaas et al, 2001;Klaas, McClendon, & Gainey, 1999;Quartey, 2013) who have competency in the areas concerned and can offer excellent quality and efficiency (Tremblay et al, 2008;Woodall, Scott Jackson, Newham & Gurney, 2009). In this -context, outsourcing some HRM functions can be seen as an opportunity for the internal HR departments (Delmotte & Sels, 2008) as they can focus on what the organization does best, and contract everything else outside (Belcourt, 2006).…”