A guide to hyphenation in economics?
Plamen Nikolov of Binghamton University presents a brief treatment of this in "Writing Tips For Economics Research Papers". He notes that there are two basic rules of economic usage: 


  "Long run" (without a hyphen) is a noun. "Long-run" (with a hyphen) is
  an adjective. Same with short(-)run. and "Saving" (without a terminal
  s) is a flow. "Savings" (with a terminal s) is a stock.