Author(s)

Ruoxi Gong

Corresponding Author

Ruoxi Gong

Abstract

The dollar plays a central role in the international monetary system, and the fluctuations of the dollar exchange rate affect the nerves of the global economy. Therefore, based on the analysis of the dollar index fluctuation after the financial crisis, combined with the PPP exchange rate decision theory and balance of payments and international trade theory, this paper adopts the method of qualitative analysis to study the influencing factors on the dollar exchange rate after the financial crisis. Research shows that: United States GDP is a key factor affecting the dollar exchange rate. In addition, the rate of inflation, fiscal balance, the current account balance, the international price of gold is important factors of dollar exchange rate.

Keywords

Dollar index, Fluctuation, Purchase Power Parity, Influencing factors.