00903nam0 22002533i 450 SUN009452320130726113722.46808-600-3804-120130726d1989 |0engc50 baengGB|||| |||||Robert Giffen and the Giffen paradoxRoger S. MasonDeddingtonPhilip Allan1989XI, 153 p.23 cm.DeddingtonSUNL001876Mason, Roger S.SUNV075616127391Allan, PhilipSUNV007700650Mason, R. S.Mason, Roger S.SUNV107741ITSOL20210503RICASUN0094523UFFICIO DI BIBLIOTECA DEL DIPARTIMENTO DI ECONOMIA03PREST IIIDb1 03 2844 20130726 Robert Giffen and the Giffen paradox630432UNICAMPANIA