
Goyal, S., van der Leij, MarcoJ. and Moraga-González, J.L. (2006). Economics: An emerging small world Journal of Political Economy, 114(2):403--412.
Frank Windmeijer (2005). A finite sample correction for the variance of linear efficient two-step GMM estimators Journal of Econometrics.
Govert Bijwaard (2005). Correcting for selective compliance in a re-employment bonus experiment Journal of Econometrics.