The phrase "effectively constituted" is correct and can be used in written English.
It means that something has been properly or thoroughly established or arranged. Example: The new committee was effectively constituted with members from diverse backgrounds and expertise.
A FIFA congress decision to that effect would however effectively constitute a defeat for Israel because it implicitly acknowledges that allowing West Bank teams to play in Israeli leagues constitutes a violation of FIFA rules as well as international law.
In the Quest case, the big difference is that Mr. Smith is not a controlling shareholder, though his large stake may effectively constitute a blocking position.
Executives in India, which was long fearful of opening its economy, are now lecturing Americans about the virtues of free trade and contending that visa restrictions effectively constitute trade barriers.
This year, Mitt Romney is making the same assertion – that the Affordable Care Act and its hated individual mandate for health insurance is unnecessary because Emtala effectively constitutes a sufficient safety net for those needing health care but lacking insurance.
The structure effectively constitutes a one-dimensional periodic system and is analyzed as such.
This is something defined by the EU Charter of Fundamental Rights as effectively constituting eugenics," says British MP Fiona Bruce who chairs the All Party Parliamentary Pro-Life Group.
He constructs a new concept of reductive explanation based on his own idea of what effectively constitutes a scientific theory and his unificationist account of scientific explanation (1989).
In Butler's view, the taboo against (heterosexual) incest presupposes a prior taboo against homosexuality (which effectively constitutes heterosexual desire as such) (1990, 82).
