Media type: E-Article Title: Measuring the usage of preferential tariffs in the world Contributor: Hayakawa, Kazunobu; Kimura, Fukunari; Laksanapanyakul, Nuttawut imprint: Springer Science and Business Media LLC, 2018 Published in: Review of World Economics Language: English DOI: 10.1007/s10290-018-0321-9 ISSN: 1610-2878; 1610-2886 Keywords: General Economics, Econometrics and Finance Origination: Footnote: