Technical efficiency in multispecies fisheries: A primal approximation Luis Orea Sánchez | Antonio Álvarez Pinilla | Show more Luis Orea Sánchez Spain Universidad de Oviedo Dep. de EconomíaU. de Oviedo. Antonio Álvarez Pinilla Spain Universidad de Oviedo Dep. de EconomíaU. de Oviedo. Submitted: 2016-03-07 | Accepted: | Published: 2011-10-23 DOI: https://doi.org/10.7201/earn.2002.01.01