Public Infrastructure Investment, Output Dynamics, and Balanced Budget Fiscal Rules
Pedro Bom, Jenny Ligthart
Journal of Economic Dynamics and Control, vol. 40, 2014, p. 334-354.

What Have We Learned from Three Decades of Research on the Productivity of Public Capital?
Pedro Bom, Jenny Ligthart
Journal of Economic Surveys, vol. 28, 2014, p. 889-916.