| LANG Dany & DE PERETTI Christian (Octobre 2003), "A strong hysteretic model for Okun's law", WP n°03/23. |  |
| LANG Dany & CROSS Rod (Novembre 2003), "Habits, hysteresis and the law of one price: the case of e-commerce", Soumis à pub: Journal of Political Economy. | |
| LANG Dany & DE PERETTI Christian (Mai 2003), "The dynamics of French unemployment: Interpretation and empirical application in terms of strong hysteresis", présenté au VIIIe Workshop on Optimal Control, Dynamic Games and Nonlinear Dynamics, Vienne. | |
| LANG Dany (Décembre 2004), "Hysteresis in unemployment (L'Hystérèse du taux de chômage)", CEDERS. | |
