Examining the global reinsurance market for catastrophic losses, we propose a new theory of optimal risk sharing that finds its inspiration in the economic theory of the firm. Our model offers a theoretical foundation for the vertical and horizontal tranching of insurance contracts (also known...

In this paper we consider two particular Canadian defined benefit pension plans to illustrate the importance of adequate mortality forecasting on actuarial liabilities. An employer who sets up an employee defined benefit pension plan promises to periodically pay a certain sum to the participant...