underwriting risks both domestically and internationally. -- Insurance ; Portfolio Theory ; International Diversification … correlation in their assets (health, wealth, wisdom, i.e. skills), causing them to demand a great deal of insurance coverage …. Insurers on the other hand eschew positively correlated risks. It can be shown that insurance contributes to a reduction of …

productivity by increasing the rate at which individuals acquire skills. One largely unexplored implication of this theory is that …