科研之友
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摘要
This article studies the spillovers of economic policy uncertainty (EPU) from developed economies to China in terms of the source, extent and persistence by estimating a global vector autoregressive (GVAR) model with both financial and trade variables acting as the transmission channels. Our findings confirm the existence of international transmissions of policy uncertainty, while the patterns differ markedly. The US EPU appears to be the most significant cause of the fall of export, industrial production, equity price and exchange rate, meanwhile, the EU EPU is also to be blamed for the depreciation of RMB. In contrast to industrial production, which shows the largest negative impact, Chinese inflation increases to a relatively smaller extent with the EPU shocks ranking as the US, Japanese and the EU. Regardless of the minor impact on a long-term interest rate, the short-term interest rate in China reacts positively to the European and US EPU shocks. Despite the independent national monetary policies, EPUs from the EU, Japan and the UK can decrease the Chinese monetary aggregate. In summary, the Chinese economy responds the most to the US EPU, especially to its inflation expectation disagreement component, whereas it responds the least to the UK EPU.
