This document discusses interest rate risk and how it can affect businesses. It is divided into income risk and capital risk. Income risk refers to the risk of changes in cash flows from fixed and floating interest rates. Capital risk is the reduction in the value of long-term financial assets due to changes in interest rates. The document also discusses asset-liability structure risk for banks, financial swaps, and the different types of swaps including currency swaps, cross-currency interest rate swaps, and interest rate swaps.