00436nam a2200133Ia 4500008004100000020001500041082002400056100002200080245008600102250000800188260003200196300002800228490004600256260218b        |||||||| |||| 00| 0 eng d  a0444521720  a330.015195bB197.PD  aBaltagi, Badi H.   aPanel data econometricsb: theoretical contributions and empirical applications /  a1st  aAmsterdam:bElsevier,c2006  axvi, 381p. Bibl. Index.  aContributions to Economic analysis v 274