Duarte, António Portugal, João Sousa Andrade, and Adelaide Duarte. “Exchange Rate and Interest Rate Distribution and Volatility under the Portuguese Target Zone”. Panoeconomicus 57, no. 3 (October 10, 2010): 261–282. Accessed April 26, 2025. http://mail.panoeconomicus.org/index.php/jorunal/article/view/188.