Garbaccio, Richard F.; Hermalin, Benjamin E.; Wallace, … - In: Real Estate Economics 22 (1994) 1, pp. 169-193
Using data on 1,360 savings and loan (S&L) institutions, we compare two non-parametric methods for measuring efficiency: data envelopment analysis (DEA) and algebraic methods based on Varian (1984). We show that both methods are vulnerable to measurement error, although both theoretically and...