Before revision:  Furthermore we analyse the relationship between the long-term swap rate, the long-term yield, see  [ 4 ],  [ 5 ], and  [ 25 ], and the long-term simple rate, considered in  [ 8 ] as long-term discounting rate.
After revision:  Furthermore we analyse the relationship between the long-term swap rate, the long-term yield, see [ 4 ], Biagini and H\"artel [ 5 ], and [ 25 ], and the long-term simple rate, considered in [ 8 ] as long-term discounting rate.