@article{LaFrance:32621,
      author = {LaFrance, Jeffrey T.},
      title = {{WHEN IS EXPENDITURE "EXOGENOUS" IN SEPARABLE DEMAND  MODELS?}},
      journal = {Western Journal of Agricultural Economics},
      volume = {Volume 16},
      number = {Number 1},
      pages = {49. - 14},
      year = {1991},
}