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In page Guangdong:

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Deng Xiaoping's open door policy radically changed the economy of the province as it was able to take advantage of its access to the ocean, proximity to Hong Kong, and historical links to overseas Chinese. Guangdong was one of the first provinces to receive permission from the central government to receive foreign investment.[6]: 148  In addition, until the 1990s when the Chinese taxation system was reformed, the province benefited from the relatively low rate of taxation placed on it by the central government due to its post-Liberation status of being economically backward.[citation needed]