%0 Journal Article %K ICT %K Digital Economy %K Risk %K Volatility %B International Journal of Interactive Multimedia and Artificial Intelligence %D 2015 %N Special Issue on Digital Economy %P 9-16 %R 10.9781/ijimai.2015.321 %T Differences in Measuring Market Risk in Four Subsectors of the Digital Economy %U http://www.ijimai.org/JOURNAL/sites/default/files/files/2015/02/ijimai20153_2_1.pdf %V 3 %8 03/2015