By Mohl Philipp   Sondermann David   in Applied Economics Letters

ISSN:1466-4291|20|1|48-61

Routledge Ltd‎(2013)‎

Access to resources Favorite 13.805443

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ISSN:1466-4283|43|2|207-218

Routledge Ltd‎(2011)‎

Access to resources Favorite 10.354082