Abstract

Background: Foreign technical assistance is widely used to strengthen state capacity in low-income countries, but its record is uneven. In some settings, external expertise supports lasting institutional capability. In others, it creates dependency on donor systems and leaves capacity gaps when experts withdraw.

Objective: This study examines the conditions under which imported expertise contributes to durable state-capacity development rather than reinforcing parallel delivery structures.

Method: The report applies a critical realist realist-synthesis to published evidence from seven purposively selected cases: Botswana, Rwanda, Senegal, Nigeria, Liberia, Afghanistan, and Sierra Leone. Sources were first coded into a conditions matrix and then synthesized into Context-Mechanism-Outcome (CMO) configurations.

Results: Durable capacity was most visible where foreign experts were embedded in line ministries, linked to genuine knowledge-transfer requirements, and supported by a politically committed bureaucratic core. Collapse was associated with expertise routed through parallel, off-budget structures in fragile contexts, without meaningful transfer. Partial embedding produced mixed localization. Liberia provides an important contrast: embedding can move fragile settings away from collapse, but embedding without succession planning remains insufficient for durable transfer. Resource rents mattered mainly through this embedding mechanism.

Conclusions: The critical issue is not the quantity of expertise imported, but how that expertise is institutionally governed. For Guinea, the implications are to embed experts in national authorities, make succession contractual, measure local content as capability, and channel resource rents through a meritocratic bureaucratic core. These are derived implications from the synthesis, not empirical findings about Guinea.

Keywords: state capacity; technical assistance; realist synthesis; knowledge transfer; embedded autonomy; low-income countries

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