1、The impact of changes in the fundamental drivers of trade Productivity,trade costs,and trade policies Background paper forThe State of Agricultural Commodity Markets(SOCO)2022The impact of changes in the fundamental drivers of trade Productivity,trade costs,and trade policies Background paper forThe

2、 State of Agricultural Commodity Markets(SOCO)2022 David Laborde and Valeria Pieiro International Food Policy Research Institute(IFPRI)Food and Agriculture Organization of the United NationsRome,2022Required citation:Laborde,D.and Pieiro,V.2022.The impact of changes in the fundamental drivers of tra

3、de Productivity,trade costs,and trade policies.Background paper for The State of Agricultural Commodity Markets(SOCO)2022.Rome,FAO.https:/doi.org/10.4060/cc3135enThe designations employed and the presentation of material in this information product do not imply the expression of any opinion whatsoev

4、er on the part of the Food and Agriculture Organization of the United Nations(FAO)concerning the legal or development status of any country,territory,city or area or of its authorities,or concerning the delimitation of its frontiers or boundaries.Dashed lines on maps represent approximate border lin

5、es for which there may not yet be full agreement.The mention of specific companies or products of manufacturers,whether or not these have been patented,does not imply that these have been endorsed or recommended by FAO in preference to others of a similar nature that are not mentioned.The views expr

6、essed in this information product are those of the author(s)and do not necessarily reflect the views or policies of FAO.ISBN 978-92-5-137314-9 FAO,2022Some rights reserved.This work is made available under the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 IGO licence(CC BY-NC-SA 3.0 IGO;