I am happy to point out the Marshall-Goldstone State Fragility Index had Egypt as fairly high risk, but NOT Tunisia or Bahrain. The Political Instability Task Force forecasts, by contrast, had Egypt at lower risk (as a stable autocracy and middle income country).
What I would say we learn from this is a need to better adapt our objective indices to theories of revolution. The latter stress that poverty itself is never a cause of revolt; rather it is perceived INJUSTICE in the income distribution or level that leads to popular mobilization. So perhaps we need to weight the political and economic legitimacy indicators (which was the one area in which our SFI had Bahrain and Tunisia at above-average risk)somewhat higher than the effectiveness (e.g. income per capita) indicators.
Best,
jack G.