Indirect Governance Rebel Support

A mode of rebel sponsorship where the sponsor provides purely material, financial, intelligence, or logistical support without hierarchical control instruments. The sponsor cannot directly monitor or sanction rebel compliance but benefits from plausible deniability and rebels' local legitimacy. Coded 1 in the binary DV; contrasted with delegation (0). Necessary support types: weapons, materiel/logistics, funding, intelligence.

A mode of rebel sponsorship where the sponsor provides troops, training, sanctuaries, or access to military infrastructure, enabling hierarchical monitoring and sanctioning of rebel compliance. Sufficient support types: troops (secondary warring party), training/expertise, access to territory, access to military infrastructure. Higher visibility increases domestic and international accountability costs.

Binary dummy indicating whether the ethnic group a rebel group claims to fight for is also politically relevant in the sponsor state. Matched using Ethnic Power Relations (EPR) data, ACD2EPR, and TEK data. Coded 1 when co-ethnicity exists. Strongly increases probability of orchestration by substituting goal alignment for hierarchical control instruments.

Count of rebel groups (other than the supported group) fighting the target government in the previous year (lagged). Source: UCDP Dyadic Conflict Data. Creates a market mechanism: competition between groups disciplines rebel behavior, making orchestration viable without direct sponsor monitoring or sanctioning.

Sponsor's military expenditures (logged), from Correlates of War National Material Capabilities Dataset v5.0. Counterintuitively associated with MORE orchestration: powerful states can sustain credible shadow-of-hierarchy threats, can absorb efficiency losses from rebel non-compliance, and can exploit rebels' local legitimacy while still deterring defection.

The ability of a state sponsor to credibly deny involvement in supporting a rebel group. A key benefit of orchestration over delegation: lower visibility of material and financial support reduces responsibility attribution for rebel atrocities, international sanctions, and direct military retaliation by the target state. Eroded by visible troop deployments or training missions (delegation).

The trade-off faced by indirect governance principals choosing between hierarchical control and agent independence benefits. Delegation ensures compliance but forfeits rebels' local legitimacy and plausible deniability; orchestration captures independence benefits but sacrifices compliance guarantees. Borrowed from indirect governance theory (Abbott et al. 2016, 2020a, 2020b) and applied to state-rebel sponsor relationships.

Ethnic ties between sponsor and rebel group increase the probability of orchestration by 12.6 percentage points (coeff 1.490***, z=4.098, p<0.01, Model 1 TSCS logit, 1975-2000, N=762), supporting the goal alignment thesis that co-ethnicity substitutes hierarchical control.

Higher number of competing rebel groups (lagged) increases orchestration probability (coeff 0.172**, z=2.442, Model 1); +1.4 pp per unit, +10.9 pp over full empirical range. Supports the supply thesis that rebel market competition substitutes for hands-on sponsor control.

Interstate rivalry between sponsor and target state decreases orchestration probability by 8.4 percentage points (coeff -0.999***, z=-2.872, Model 1), supporting the saliency thesis that high-stakes rivalry pushes sponsors toward hands-on delegation to enforce rebel compliance.

Support mode choice exhibits strong path dependence: cubic time polynomials show that sponsors very rarely switch from delegation to orchestration or vice versa, challenging indirect governance theories predicting endogenous instability in principal-agent relationships.

Training and expertise is the most common support type overall (Figure 1); rebels and governments receive systematically different support: governments receive more troops and joint operations, rebels receive more weapons and training. Non-state-to-non-state support (rebel groups supporting other rebel groups) accounts for more than 25% of all rebel support.

Challenge to finding #628: PA theory baseline predicts capable sponsors prefer delegation (hands-on) because they possess the monitoring and sanctioning tools to enforce compliance. Weak sponsors are forced into hands-off orchestration by incapability, not preference. Expected direction: capabilities → negative effect on orchestration probability. | Reasoning: H-W&M find the opposite of what PA theory predicts: capable sponsors are MORE likely to orchestrate, not less. Their explanation is that powerful states can afford the inefficiency of rebel non-compliance, sustain credible shadow-of-hierarchy threats without physical presence, and prefer to exploit rebel local legitimacy. This contradicts the core PA assumption that sponsors delegate when they can and orchestrate only when forced to by incapability. | Data comparison: different_data | Method comparison: different_method | Method difference: Theoretical derivation from PA framework vs TSCS logit on UCDP support-dyad data

Sponsor military capabilities (ln military expenditures) have a positive and significant effect on orchestration (coeff 0.392**, z=2.359, Model 1; ~+40 pp over full range), directly contradicting the prior literature's assumption that powerful sponsors prefer or can afford delegation. Powerful states may substitute credible shadow-of-hierarchy threats for physical presence.

Direct military support (troop deployment) first exceeded indirect support (weapons/training/funding) in 2015 and continues growing (Figure 5), contrary to the common assumption that proxy warfare means primarily indirect engagement. The rise coincides with counter-terrorism operations and light-footprint warfare doctrine.

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