@article{1148,
  author       = {Pannenberg, Markus and Spiess, Martin},
  issn         = {1863-818X},
  journal      = {AStA Advances in Statistical Analysis},
  number       = {4},
  pages        = {427--447},
  publisher    = {Springer Science and Business Media LLC},
  title        = {{GEE estimation of the covariance structure of a bivariate panel data model with an application to wage dynamics and the incidence of profit-sharing in West Germany}},
  doi          = {10.1007/s10182-009-0117-2},
  volume       = {93},
  year         = {2009},
}