Where does it say the guy’s an economist? The article states that Crawford’s letter is “astrology.” So your parenthetical addition to the title should state “Astrologist uses astrology”.
It says it’s technical analysis AND astrology:
http://www.crawfordperspectives.com/
“Crawford Perspectives is a financial markets advisory service utilizing technical analysis and planetary cycles research to determine effective market-timing strategy. Since 1977, its founder, Arch Crawford, has edited Crawford Perspectives, a comprehensive market- timing monthly newsletter for subscribers that has earned praise from investors around the world. “
Well cross my palm with silver! You're right! He's a fortune teller. That's like a pickpocket who gets you to pick your own while he stares at the stars.