1. "provides a static view" "only proves a photograph of the degree of

2. "a contribution to the general situation by those groups"

This is essentially an economics term used by sociologists here. The

Sabatini Colletti dicitionary defines the meaning well in my opinion.
3 econ. Complesso di fattori che, in un dato momento, determinano l'andamento generale dell'economia; con uso assol., periodo di recessione, di crisi

Translating hundreds of economics documents each year, I always need to keep the difference between "tendenziale" (year on year, or long term) clearly separate from "congiunturale" which is a point in time or very short term (quarterly) changes.
There is never any one way to translate it.
Adele explains well here:

http://www.proz.com/kudoz/italian_to_english/finance_general...