Cognitive and cultural embeddedness: combining institutional economics and economic sociology
According to this, pederasty is sexual relations between two males, especially when one of them is a minor. Other definitions, like the one that JSBangs found, differ slightly. But otherwise, I think you answered the question yourself: pedophile refers to the attraction, while pederasty refers to the act itself.
The word pederasty derives from Greek (paiderastia) love of boys, a compound derived from ÏÎ±á¿Ï (pais) child, boy and á¼ÏÎ±ÏÏÎ®Ï (erastÄs) lover. In French, however, pederastie pÃ©dÃ©rastie has been used as a synonym for homosexuality between adult (males See histoire du mot). pederastie pÃ©dÃ©rastie