
Kleibergen, F. (2007). Generalizing weak intrument robust IV statistics towards multiple parameters, unrestricted covariance matrices and identification statistics Journal of Econometrics, 139(1):181--216.
Francesco Lippi (2006). Monetary union with voluntary participation Review of Economic Studies.
Govert Bijwaard (2005). Correcting for selective compliance in a re-employment bonus experiment Journal of Econometrics.