Working with economics, basic competence in pronouncing the Greek alphabet is recommended. If you work mostly with empirical analysis, you might never venture beyond μ, σ, Σ, α, and β. If you are a theorist, then you might end up using ν, Ξ, ξ, and Ο. (And no, that last one is omicron )
(Photo by anjči)
The two links below provides a good guide to the Greek alphabets:
http://www.ibiblio.org/koine/greek/lessons/alphabet.html
http://en.wikipedia.org/wiki/English_pronunciation_of_Greek_letters