00426nam a2200145Ia 4500008004100000020001800041041000800059082001600067100004800083245007800131250000600209260003900215300001200254650001400266210716s2009    xx            000 0 und d  a9780230327238  aeng  a333.72 HANN  aHanley, Nick; Shogren, Jason F; White, Ben.  aEnvironmental economics: in theory and practice.bIn theory and practice.  a1  aNew YorkbPalgrave macmillanc2009  axvi,459  aEconomics