@misc{WagnerSchankSchnabeletal.2006, author = {Joachim Wagner and Thorsten Schank and Claus Schnabel and John T. Addison}, title = {Works Councils, Labor Productivity and Plant Heterogeneity: First Evidence from Quantile Regressions}, institution = {Fr{\"u}here Fachbereiche}, type = {researchpaper}, year = {2006}, }