%0 Report %A Badaoui, Eliane El %A Strobl, Eric %A Walsh, Frank %T The Formal Sector Wage Premium and Firm Size %D 2007 %8 2007 Nov %I Institute of Labor Economics (IZA) %C Bonn %7 IZA Discussion Paper %N 3145 %U https://www.iza.org/index.php/publications/dp3145 %X We show theoretically that when larger firms pay higher wages and are more likely to be caught defaulting on labour taxes, then large high-wage firms will be in the formal sector and small low-wage firms will be in the informal sector. The formal sector wage premium is thus just a firm size wage differential. Using data from the South African labour force survey we illustrate that firm size is indeed the key variable determining whether a formal sector premium exists. %K informal sector %K wage premium %K firm size