The generic existence of competitive equilibria when the asset market is incomplete extends to general economies with restricted participation. (C) 1997 Elsevier Science S.A.
Polemarchakis, HM., & Siconolfi, P. (1997). Generic existence of competitive equilibria with restricted participation. Journal of Mathematical Economics, 28(3), 289-311. https://doi.org/10.1016/S0304-4068(96)00802-6 (Original work published 1997)