@data{aggregatio/2009,
author = {Gadea, M. Dolores and Mayoral, Laura},
publisher = {ZBW - Leibniz Informationszentrum Wirtschaft},
title = {aggregation-is-not-the-solution-the-ppp-puzzle-strikes-back},
year = {2009},
version = {1},
url = {https://jda-test.zbw.eu/dataset/aggregation-is-not-the-solution-the-ppp-puzzle-strikes-back} 
}