The adjective term would be hyphenated agency-wide (e.g. an agency-wide policy).
diffrent btw decition making and policy making
Several sources now list the compound (gerund) form without the hyphen (perhaps the evolving use of previously improper language). However, as an adjective it is still usually hyphenated for clarity. NOTE : Spell Check does not agree. Example: "His decision making was criticized in the press." Example: "The legislators examined the mayor's decision-making authority."
what are the roles of interest groups in policy making
the policy cycle
The term is usually two words, not hyphenated, "chipping in" (making a contribution or shared payment).
While the Associated Press (AP) Style Book-the preferred source for written style for thousands of journalists world-wide (at least those who write for the English language)-state that decision making be hyphenated in all cases (e.g.: decision-making, decision-maker), and while as a former editor and publisher, I would typically defer to the AP style, I prefer the answer provided by a number of other sources (including many, if not most, American universities and government agencies, as well as virtually all on-line resources) which say that the compound should be hyphenated when used as an adjective, and not hyphenated when used as a noun (e.g.: our decision-making process versus the process of our decision making, etc.)
It is not hyphenated.
No, ULEMA was the leading policy-making body.
the policy cycle
Agenda building, policy formulation, policy adoption, policy implementation, and policy review
agenda building policy formation policy adoption policy implementation policy review