We characterize how public insurance schemes are constrained by hidden financial transactions. When non-exclusive private insurance entails increasing unit transaction costs, public transfers are only partly offset by hidden private transactions, and can influence consumption allocation. We show...

Mutual insurance companies and stock insurance companies are different forms of organized risk sharing: policyholders and owners are two distinct groups in a stock insurer, while they are one and the same in a mutual. This distinction is relevant to raising capital, selling policies, and sharing...

Takaful, which means 'cooperative', is an insurance approach that is instrumental to providing insurance services to Muslims and others with religious objections to aspects of conventional commercial insurance models, specifically interest payments, uncertainty, or gambling kind of transactions.