By 2026-08-17, De la Espriella's transition team and/or first government communications will signal IMF-compatible fiscal orthodoxy — not nationalist/protectionist divergence — as the primary economic orientation, consistent with reaffirmation or continuity of Colombia's Flexible Credit Line arrangement and fiscal rule adherence, rather than announcing heterodox measures such as capital controls, import tariffs on strategic inputs, or explicit IMF disengagement.

Four frameworks converge on IMF alignment as the structurally probable outcome, but diverge on the formal-announcement-vs-signaling distinction and timeline. The institutionalist framework receives highest weight because it identifies the single strongest mechanism: Colombia’s FCL since 2009 means the default action is continuation — heterodox divergence requires active institutional rupture against compounding costs (credit review, spread widening, rating action) with no offsetting institutional anchor available within the transition window. The Marxist framework reinforces this through class-coalition analysis: the comprador-financial-agrarian bloc that produced the electoral victory structurally requires IMF alignment as a condition of its own accumulation, making nationalist macroeconomic policy a coalition-ending move, not merely an ideological deviation. The Keynesian analysis adds the Minsky debt-fragility channel: Petro’s fiscal deficits created a Ponzi-adjacent structure that only IMF backstop or sustained commodity windfall can stabilize; the incoming government inherits the fragility regardless of preference. The Austrian framework provides the correct epistemic caveat: price signals will discipline the government faster than any formal announcement can execute, but this implies that sovereign spread widening (visible before August 17) would constitute evidence of nationalist divergence even without formal policy declaration. The primary uncertainty is the tight timeline: a formal framework document within 10 days of inauguration is a high bar, but the question’s alternative criterion (nationalist signals) is satisfied by transition-period communications, which are already underway. Base rate of 0.78 (right-wing Latin American governments signaling IMF compatibility within first 90 days) is adjusted downward to 0.71 to account for the tight 10-day post-inauguration window for formal announcements, offset by the uniquely strong institutional lock-in that Colombia’s FCL provides relative to other regional cases.