We estimate the wage penalty associated with working in the South African informal sector.To this end we use a rich data set on non-self employed males that allows one to accuratelydistinguish workers employed in the informal sector from those employed in the formal sectorand link individuals...

We show theoretically that when larger firms pay higher wages and are more likely to becaught defaulting on labour taxes, then large high-wage firms will be in the formal sector andsmall low-wage firms will be in the informal sector...