Self-Insurance vs. Self-Financing: A Welfare Analysis of the Persistence of Shocks
market frictions over time with self-financing. With intermediate levels of frictions in the capital market, welfare costs of market incompleteness have a U shape against the persistence of idiosyncratic shocks. The right arm of the U reflects the difficulty of self-insurance against very persistent shocks; and the left arm, the difficulty of overcoming capital market frictions through self-financing when entrepreneurial opportunities are short-lived.