by Ball, V.E., Färe, R., Grosskopf, S., Margaritis, D.
Published in Energy economics (01.05.2015)

by Ball, V.E, Lovell, C.A.K, Luu, H, Nehring, R
Published in Journal of Agricultural and Resource Economics (01.12.2004)

by Ball, V.E
Published in American journal of agricultural economics (01.11.1988)

by Ball, V.Eldon, Bureau, Jean-Christophe, Eakin, Kelly, Somwaru, Agapi
Published in Agricultural economics (01.12.1997)

by Vasavada, Utpal, Ball, V.Eldon
Published in Agricultural economics (1988)

by Capalbo S.M, Ball V.E, Denny M.G.S
Published in American journal of agricultural economics (01.12.1990)

by Ball, V.E, Lovell, C.A K, Nehring, R.F, Somwaru, A
Published in Cahiers d'Economie et de Sociologie Rurales (CESR) (1994)