Stochastic Volatility Models for Exchange Rates and Their Estimation Using Quasi-maximum-Likelihood Methods: An Application to the South African Rand
M. V. Kulikova, David R. Taylor
Journal Of Applied Statistics, vol. 40, 2013, p. 495-507.

Subscription Choices and Switching Costs in Mobile Telephony
Lukasz Grzybowski, Pedro Pereira
Review of Industrial Organization, vol. 38, 2011, p. 23-42.

When Two African Cultures Collide: A Study of Interactions between Managers in a Strategic Alliance between Two African Organizations
Kamel Mellahi, Marcel Cohen, Emanuel Gomes
Journal Of World Business, vol. 46, 2011, p. 5-12.