The Adjustment-Cost Model of the Firm: Duality and Productive Efficiency
Elvira Silva, Alfons Lansink, Spiro Stefanou
International Journal of Production Economics, vol. 168, 2015, p. 245-256.

Dynamic Efficiency Measurement: Theory and Application
Elvira Silva, Spiro Stefanou
American Journal of Agricultural Economics, vol. 89, 2007, p. 398-419.

Nonparametric Dynamic Production Analysis and the Theory of Cost
Elvira Silva, Spiro Stefanou
Journal Of Productivity Analysis, vol. 19, 2003, p. 5-32.

Inter-firm and Intra-firm Efficiency Measures
Alfons Lansink, Elvira Silva, Spiro Stefanou
Journal Of Productivity Analysis, vol. 15, 2001, p. 185-199.

Decomposing Productivity Growth Allowing Efficiency Gains and Price-Induced Technical Progress
Alfons Lansink, Elvira Silva, Spiro Stefanou
European Review of Agricultural Economics, vol. 27, 2000, p. 497-518.

Generalization of Nonparametric Tests for Homothetic Production
Elvira Silva, Spiro Stefanou
American Journal of Agricultural Economics, vol. 78, 1996, p. 542-546.