50 Factors that Affect the Value of the US Dollar Would you believe something as mundane as a rainstorm in New England can affect the value of the Dollar? It's true. The US Dollar is subject to numerous influences, from politics to Walmart, and everything in between. The following list contains 50 factors that affect the value of the US dollar, both big and small. Balance of trade and investment The balance of trade and investment is often cited by analysts as the most important influence on the value of the dollar, with good reason. The balance of trade, related to the current account, represents the difference between what the US exports and imports in terms of goods and services. The balance of investment, or financial account, represents the difference in exports and imports of capital. If exports exceed imports, in either the current account or financial account, it is called a surplus. When imports exceed exports, on the other hand, it is referred to as a de...