Template-Type: ReDIF-Article 1.0 Author-Name: Maciel Santos Author-Name: Ana Guedes Title: The Profitability of Slave Labor and the Time Effect Journal: African Economic History Pages: 1-26 Volume: 36 Issue: 1 Year: 2008 DOI: 10.1353/aeh.2008.0006 Handle: RePEc:aoo:467611