00416nam a2200121Ia 4500008004100000082002300041100001900064245007200083260004100155300000900196490004300205650004600248140224s9999    xx            000 0 und d  a338.5:63(047.3) M0  aThe World bank  aMethodologies for measuring agricultural price intervention effects  aWashington D.CbThe World bankc1980  a96p.  aWorld Bank Staff Working Paper No. 394  aAgricultural economics,Agricultural price