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Artists of the Possible is written by Matt Grossmann and published by Oxford University Press. It's available with International Standard Book Number or ISBN identification 0190243325 (ISBN 10) and 9780190243326 (ISBN 13).
Policy change is not predictable from election results or public opinion. The amount, issue content, and ideological direction of policy depend on the joint actions of policy entrepreneurs, especially presidents, legislators, and interest groups. This makes policymaking in each issue area and time period distinct and undermines unchanging models of policymaking.