@article{kimEtal:19,
  title = {Firms and Global Value Chains: Identifying Firms' Multidimensional Trade Preferences},
  author = {Kim, In Song and Milner, Helen V and Bernauer, Thomas and Spilker, Gabriele and Tingley, Dustin and Osgood, Iain},
  Pages = {153-167},
  Volume = {63},
  Number = {1},
  Journal = {International Studies Quarterly}, 
  year={2019}
}