Evaluate the collective function of references cited together in a given text segment.
Classify their combined role into one of the following categories: 'method', 'background', or 'result'.

Text:Accordingly, an analaysis of JV and SS may be captured better in a pooled/panel data-set rather than in a single cross-section data (e.g., that analysed by Javorcik and Wei (2009)).
Category: