Zhuge Liang
Economic reforms

Yi Province's wealthy families, unchecked by previous governors, freely exploited the common people and lived in extravagance. As a result, poverty was widespread, and economic–political reform was the most important concern for Zhuge Liang. A robust economic foundation was also necessary to enhance the people's loyalty to Shu Han regime and properly support the future's expeditions against Cao Wei. Therefore, Zhuge Liang made it clear that the core value of his policy was to stabilize and improve the life of the people.

Zhuge Liang's new policies were enacted during the reign of Liu Bei and continued in the time of Liu Shan. He purged corrupt officials, reduced taxes, and restricted the aristocracy's abuse of power against the common people. Corvée labour and military mobilization were also reduced and rescheduled to avoid the disruption of agriculture activities, and Cao Cao's tuntian system of state-run agricultural colonies was implemented extensively to increase food production output. Agriculture dykes were significantly rebuilt and repaired, including the eponymous Zhuge dyke north of Chengdu. Thanks to the reforms, Shu Han agriculture production grew significantly, sufficient to sustain an active military.

Salt manufacture, silk production, and steelmaking – three major industries in Shu – also attracted Zhuge Liang's attention. Liu Bei, following the proposal of Zhuge Liang, created specialized bureaus for managing salt and steel manufacture, initially directed by Wang Lian and Zhang Yi, respectively. A specialized silk management bureau was also established, and silk production experienced significant growth, leading to Chengdu being nicknamed "the city of Silk". Over the lifetime of the Shu Han state, it accumulated 200,000 pieces of silk in the national treasury. Sanguozhi reported that salt production in Shu Han was highly prosperous and generated significant income to the government. Fu Yuan, a well-known local metalsmith, was appointed to a role in metallurgy research by Zhuge Liang, and managed to improve the techniques in crafting steel weapons for the Shu Han army.

Due to political turmoil, monetary systems at the end of the Han dynasty were in severe turbulence. When establishing themselves in the Yi Province, Liu Bei and Zhuge Liang, following the advice of Liu Ba, enacted successful monetary reforms. The new Shu Han currency was not only smoothly circulated within its borders, but also popular in the neighboring Jing province. Meanwhile, similar policies of Cao Pi, Cao Rui, and Sun Quan were marred by difficulties and achieved limited success.
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