Competitiveness-Shifting Effects and the Prisoner's Dilemma in International R&D Subsidy Wars
Armando Garcia Pires
vol. 142, 2015, p. 32-49.

Consumer confidence as a predictor of consumption spending: Evidence for the United States and the Euro area
Stephane Dees, Pedro Brinca
vol. 134, 2013, p. 1-14.