The ‘multiple streams approach’ (MSA) is one of policy scholarship’s biggest successes. Kingdon’s original is one the highest cited books in policy studies, and there is a thriving programme of empirical application and theoretical refinement.
Yet, I argue that its success is built on shaky foundations because its alleged strength – its flexible metaphor of streams and windows of opportunity – is actually its weakness. Most scholars describe MSA superficially, fail to articulate the meaning of its metaphor, do not engage with state of the art developments, and struggle to apply its concepts systematically to empirical research. These limitations create an acute scientific problem: most scholars apply MSA without connecting it to a coherent research agenda.
In my recent article in Policy & Politics, I seek to solve this problem in three ways.
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