Impacts of Climatic Change on World Agricultural Product Markets: Estimation of Macro Yield Functions

JARQ : Japan Agricultural Research Quarterly
ISSN 00213551
書誌レコードID(総合目録DB) AA0068709X
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39-02-08.pdf354.89 KB

Climatic change through global warming and drought is a major issue for agricultural production. Most researchers who discuss climate changes report the yield changes estimated by using crop process models; however, studies focusing on the impact of climatic change on agricultural product markets are very few. This paper examines the relationship between climatic change and world food markets, i.e.,supply and demand of crops, by using a world food model and newly estimated yield functions. These yield functions include rainfall and temperature as climate variables, and the estimated parameters are used in the world food model. The stationarity of these yield data is tested and appropriate functional forms are selected. The results suggest that yields of major crops will decrease because of rising temperatures in many countries and regions, however, market price impacts of changes in production of these crops are not large because of trade. The countries which suffer severe damage because of higher temperature may need to consider changes in cropping patterns and practices.

刊行年月日
作成者 FURUYA Jun KOYAMA Osamu
著者キーワード

global warming

world food model

crop yields

agricultural product markets

公開者 Japan International Research Center for Agricultural Sciences
オンライン掲載日
国立情報学研究所メタデータ主題語彙集(資源タイプ) Journal Article
39
2
開始ページ 121
終了ページ 134
DOI 10.6090/jarq.39.121
権利 Japan International Research Center for Agricultural Sciences
言語 eng

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