印尼東爪哇省具有潛在的農業部門，是印尼最高的國家糧倉區。提高東爪哇的作物產量將可以助長印尼的地區和國家經濟。本研究的目的是探討東爪哇省38個地區作物的競爭力、成長模式和成長成分，並提出政策以加強東爪哇省的優質農作物和經濟發展。本研究採用區位商數模型（LQ）和移轉份額分析法（SS），後者包含區域經濟增長、比例轉移增長和差異轉移三個指標。本研究統計資料是收集自印尼中央統計局和農業部，內容包括東爪哇省2008-2017年7種作物的生產資料。
本研究發現大豆和水稻是大多數東爪哇地區的優質農作物，而花生和地瓜則相對只在少數地區。玉米、綠豆、花生、大豆、花生、地瓜和樹薯在東爪哇38個區/市具有優異的表現和經濟成長模式。最後，本研究提出了強化優勢發展以加快區域經濟發展的政策。

East Java Province with potential agricultural sector is the highest national granary area in Indonesia. To improve crop production in East Java will strengthen the regional and national economy. The purpose of this study is to investigate the competitiveness, growth pattern, and growth components of crops at 38 regions in East Java Province and to propose the alternative policies to strengthen superior crops for economy developments in East Java Province. The location quotient (LQ) and shift-share (SS) analysis with three indicators, namely regional economic growth, proportional shift growth, and differential shift, are adopted. Collected from the Central Bureau of Statistic and the Ministry of Agriculture of Indonesia, the data used are seven crop production data in East Java Province during 2008-2017.
The finding shows that soybeans and rice are the superior crops in the most regions while peanuts and sweet potatoes are the least regions in East Java. Corn, green beans, peanuts, soybeans, rice, sweet potatoes, and cassava at 38 districts/cities in East Java have crucial performances and economic growth patterns. As the results, policy plans to enhance the priority and to accelerate regional economic development are suggested.

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