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Research Article

From Food Insufficiency towards Trade Dependency: A Historical Analysis of Global Food Availability

  • Miina Porkka mail,

    miina.porkka@aalto.fi

    Affiliation: Water & Development Research Group, Aalto University, Espoo, Finland

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  • Matti Kummu,

    Affiliation: Water & Development Research Group, Aalto University, Espoo, Finland

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  • Stefan Siebert,

    Affiliation: Institute of Crop Science and Resource Conservation (INRES), University of Bonn, Bonn, Germany

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  • Olli Varis

    Affiliation: Water & Development Research Group, Aalto University, Espoo, Finland

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  • Published: December 18, 2013
  • DOI: 10.1371/journal.pone.0082714

About the Authors

Miina Porkka, Matti Kummu, Olli Varis
Water & Development Research Group, Aalto University, Espoo, Finland
Stefan Siebert
Institute of Crop Science and Resource Conservation (INRES), University of Bonn, Bonn, Germany

Corresponding Author

Email: miina.porkka@aalto.fi

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MP MK SS OV. Performed the experiments: MP MK. Analyzed the data: MP MK. Contributed reagents/materials/analysis tools: MP MK SS. Wrote the paper: MP MK SS OV.