@data{on-portfol/2009,
author = {Liu, Qianqiu},
publisher = {ZBW - Leibniz Informationszentrum Wirtschaft},
title = {on-portfolio-optimization-how-and-when-do-we-benefit-from-highfrequency-data},
year = {2009},
version = {1},
url = {https://jda-test.zbw.eu/dataset/on-portfolio-optimization-how-and-when-do-we-benefit-from-highfrequency-data} 
}