), using data from German banks’ internal models, found that maturity transformation contributes importantly to bank income and exposes banks to interest rate risk, which varies systematically with the slope of the yield curve.Another exception in this strand of literature is den Haan et al. (2007), who found that increases in short-term interest rates lead to substantial declines in the book value of aggregate bank equity, a result consistent with a reduction in earnings for the sector as a whole. Unlike the previous studies, however, den Haan et al. (2007) are concerned with the underlying cause of interest rate changes and rely on an identified vector auto regression to isolate changes in interest rates that are uncorrelated with current and lagged macroeconomic conditions. Under their identification assumptions, these interest rate innovations can be interpreted as “exogenous” monetary policy shocks, though this interpretation is not without controversy.
Derivatives are always constructed with prevailing market rates. Contracting a swap receiving the fixed rate will imply receiving the current fixed rate for the selected maturity. Contracting a swap receiving the variable rate will imply receiving the current rate for the selected short maturity of the variable rate. Therefore, derivatives influence both the nature of interest rates and the level of interest rates paid or received, hence the earnings (P&L) as well. Both impacts have to be assessed carefully before entering into a derivative transaction.
), using data from German banks’ internal models, found that maturity transformation contributes importantly to bank income and exposes banks to interest rate risk, which varies systematically with the slope of the yield curve.Another exception in this strand of literature is den Haan et al. (2007), who found that increases in short-term interest rates lead to substantial declines in the book value of aggregate bank equity, a result consistent with a reduction in earnings for the sector as a whole. Unlike the previous studies, however, den Haan et al. (2007) are concerned with the underlying cause of interest rate changes and rely on an identified vector auto regression to isolate changes in interest rates that are uncorrelated with current and lagged macroeconomic conditions. Under their identification assumptions, these interest rate innovations can be interpreted as “exogenous” monetary policy shocks, though this interpretation is not without controversy.Derivatives are always constructed with prevailing market rates. Contracting a swap receiving the fixed rate will imply receiving the current fixed rate for the selected maturity. Contracting a swap receiving the variable rate will imply receiving the current rate for the selected short maturity of the variable rate. Therefore, derivatives influence both the nature of interest rates and the level of interest rates paid or received, hence the earnings (P&L) as well. Both impacts have to be assessed carefully before entering into a derivative transaction.
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