Bottom-up Theory of Implementation
A theory that emphasizes the influence that front-line staff have on the delivery of policies in relation to citizens and firms, focusing on the weak control that politicians and administrative managers have to control front-line staffs.
(Winter, Soren. 2006. "Implementation." In Handbook of Public Policy, edited by Guy Peters and Jon Pierre, 151-164. Thousand Oaks, CA: Sage Publications, p. 153.)
Street-level bureaucrats have a lot of discretion, and bottom-up implementation approaches seek to recognize this by incorporating the wisdom and expertise of those working on the ground into how policy unfolds. This is contrasted with the “Top-down Theory of Implementation.”