IN THIS CHAPTER we will discuss different approaches to capital requirement (CR) assess-ment. In Section 15.1 we briefly look at different approaches for risk modeling that have been used to aggregate risks. They are especially suitable for internal modeling. As we are focusing on a simple standard formula, we cannot use copulas directly, but we should always have the copula thinking in mind. For applications using copulas to aggregate risks and arriving at an economic capital, see, for example, Cech (2006) and Tang and Valdez (2006).