Azam, Jean-Paul, Dia, Magueye and N'Guessan, Tchétché (2002) Telecom Sector Reforms in Senegal. World Bank Working Paper, n. 2894, Toulouse

Laffont, Jean-Jacques and N'Guessan, Tchétché (2002) Telecomunications Reform in Côte d'Ivoire. World Bank Policy Research Working Paper, n. 2895, Toulouse

Laffont, Jean-Jacques and N'Guessan, Tchétché (2001) Group Contracting and Enforcement. Journal of Institutional and Theoretical Economics, 157 (4). pp. 487-498.

Laffont, Jean-Jacques and N'Guessan, Tchétché (2000) Group Lending with Adverse Selection. European Economic Review, 44 (4-6). pp. 773-784.

Laffont, Jean-Jacques and N'Guessan, Tchétché (1999) Competition and Corruption in an Agency Relationship. Journal of Development Economics, 60 (2). pp. 271-295.