During the meeting, the two leaders discussed ways to increase investment in the development of infrastructure and human resources in Indonesia, he said.
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"We warmly welcome the new BKPM chief's hope. We are optimistic that investment cooperation with Indonesia will increase in the future," Ambassador Ishii said.
However, several problems related to regulations, licensing and taxation posed an obstacle to Japanese investment in Indonesia, he added.
Japan also directed its investment to neighboring countries which are more prepared to receive Japanese investment, he said.
Indonesia was once the number one destination of Japanese investment in the world. However, results of a survey revealed that Indonesia had been overtaken by Vietnam, India and China, he said.
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BKPM is in the process of making fundamental changes to improve the investment climate in the country, Bahlil assured in response to Ishii's complaint.
Japan is now the second-largest foreign investor in Indonesia after Singapore. Its investment in Indonesia in the past decade reached an estimated US$31 billion.
Contributions of Japanese companies to Indonesia's exports also increased to 24.4 percent from 18.1 percent.
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