00342pab a2200133 454500008004000000100001800040245007300058260000900131300001400140362000800154650000900162650001600171773002100187180718b2008   xxu||||| |||| 00| 0 eng d  aNobusch, Yves  aInterest costs and the optimal maturity structure of government debt  c2008  ap.477-98.  aMar  aDebt  aPublic debt  aEconomic Journal