“…Further, respondents answers in surveys may be self-justifying (Ang et al, 1998). Previous studies analyzing either firm level determinants or financial impact of outsourcing employ several measures for profitability (D'Aveni et al, 1994;Görg et al, 2004;Görzig et al, 2002;Hall et al, 2005;Jiang et al, 2006;Smith et al, 1998), cost efficiency (D'Aveni et al, 1994Hall et al, 2005;Jiang et al, 2006;Smith et al, 1998), and factor or labour productivity (Girma et al, 2004;Görzig et al, 2002;Jiang et al, 2006). Some authors also use different financial measures like financial slack, free cash flow or growth rates to explain the firm level consequences of outsourcing.…”