1 Erratum to: Empir Econ (2015) 48:807–827 DOI 10.1007/s00181-014-0804-z

As desired by the author, the corrected affiliation is given here.

M. Kim (✉)

Division of Economics, Wonkwang University, Iksan, Republic of Korea

e-mail: kimmj@wku.ac.kr