Sectoral Specifities in the Dynamics of U.S. Manufacturing Firms
The authors use the COMPUSTAT database extend the analysis to disaggregated data, studying 15 industrial sectors and find that among the stylized facts presented in literature concerning the whole industry, some survive and can be considered valid for each single sector while some disappear, suggesting that their emergence was purely due to aggregation effects.
Link
http://www.lem.sssup.it/WPLem/files/2003-18.pdf