Lin, Feng-Jyh; Li, Yi-Rung - In: Journal of Economics and Management 2 (2006) 2, pp. 207-219
's performance. We use the IT industry as an example and ROA (return on assets) as the index of firm performance. The VARCOMP … procedure is used to divide the sources of firm performance. The findings show that the firm factor dominates the others. The …