Reference
Catherine Cazals, Frédérique Fève, Jean-Pierre Florens, and Léopold Simar, “Nonparametric Instrumental variables Estimation for Efficiency Frontier”, Journal of Econometrics, vol. 190, n. 2, 2016, pp. 345–355.
See also
Published in
Journal of Econometrics, vol. 190, n. 2, 2016, pp. 345–355