Measuring the productivity of highway concessionaires is very relevant, especially when a price cap regulation is … productivity we consider only operating costs, as amortization and financial costs depend upon the original highway design and … applied where tariff increases are based on expected improvements of productivity. Output may be measured in terms of traffic …

regulation of the road transport sector affects the link between productivity and motorway infrastructures. Overall results …

This paper examines the impact of highway expansion on aggregate productivity growth and sectoral reallocation between … productivity growth by facilitating firm entry, exit and reallocation. I also find evidence that the national highway system led to … highway network maps, and firm-level census. I first derive and estimate a market access measure that summarizes all direct …

(cotton productivity) in Zambia's agro-based Eastern Province as measured by repeated cross-sections of farm-level data from …) yield" compared to using "cotton productivity" as variable. In the latter case the following matching methods all have … "productivity" variable: Finally, some of the local linear regression and the Mahalanobis matching specifications yields positive …