Viva la difference
However, several factors--differing expectations, reasons for starting a business, motivations, opportunities sought and types of businesses--vary between the genders, and these result in differing outcomes. Such observations should be taken into account when comparing the outcomes of ventures across genders.
The data used for the study was from the Panel Study of Entrepreneurial Dynamics (PSED) focusing on businesses started in 1998 and 1999.
A full copy of this report is available here and the research summary can be found here.