We question whether the use of social networks to exit unemployment matters in Cameroon. We develop a Weibull-type duration model which allows us to address this issue in a convenient way. Our investigations indicate that there is a strong evidence of endogeneity and sample selection biases. We then propose a three-step procedure to deal with both problems. Our results show that the use of social networks to exit unemployment is effective. Furthermore, we find that the hazard monotonically

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... ases with time. Hence, unemployment exhibits a positive duration dependence. Moreover, we provide an analysis of factors that determine labor market participation and the use of social networks. We find that the density of the west native population in the center of Cameroon and religion are the only factors that determine the use of social networks. In contrast, characteristics such as age, sex, education, association's membership, determine labor market participation.