When you hear finance people talking about doves and hawks, they usually are not referring to birds. Most often they are describing the attitude of Federal Reserve policymakers towards inflation. The hawks worry more about inflation, the doves about jobs. A policy maker or advisor who is predominantly concerned with interest rates as they relate to fiscsl policy. A hawk generally favors relatively high interest rates in order to keep inflation in check. In other words, they are less concerned with economic growth than they are with recessionary pressure brought to bear by high inflation rates.
Although the most common use of the term hawk is described above, be aware that it has been used in a variety of contexts. In each case, it refers to someone who is intently focused on a particular aspect of a larger pursuit or endeavor. A budget hawk, for example, is one that believes the federal budget is one of the utmost importance, just like a generic hawk is focused on interest rates.