“…5 These contributions include Agesa (2004), Agesa and Agesa (2002), Agesa et al (2006), Ahiakpor (1995), Alexis (1999), Allen and Ndikumana (2000), Amegashie and Kutsoati (2007), America (1999), Anderson (1998), Andrews (1987Andrews ( , 1993, Asea (1996), Asiedu and Freeman (2007), Assane and Grammy (2003), Baffoe-Bonnie and EzealaHarrison (1996), Belton (1997), Benoit (1999), Betsey (2005), Black (1999), Bostic (2003), Boston (1995), Bradford (2003), Brewer and Jackson (2000), Brimmer (2002), Brown (1976), Carpenter (1999), Charles and Stephens (2006), Chiteji and Hamilton (2002), Christopher (1998), Coleman (1999, Collins (2004), Conrad and Sharpe (1996), Coppin (2000), Cotton (1988Cotton ( , 1998, Darity (2002), Didia (1997), Dompere (1993), Ekanem (2002), Elu (2000), Fayissa (2001), Fryer (2007, Fosu (2006), Gaskin et al (2005), ...…”