Estimating the Long-Run Metro Demand Elasticities for Lisbon: A Time-Varying Approach
Patricia Melo, Nuno Sobreira, Pedro Goulart
Transportation Research Part A: Policy And Practice, vol. 126, 2019, p. 360-376.

Tests for Multiple Breaks in the Trend with Stationary or Integrated Shocks
Nuno Sobreira, Luis Catela Nunes
Oxford Bulletin of Economics and Statistics, vol. 78, 2016, p. 394-411.

Characterizing Economic Growth Paths Based on New Structural Change Tests
Nuno Sobreira, Luis Catela Nunes, Paulo M. M. Rodrigues
Economic Inquiry, vol. 52, 2014, p. 845-861.