This paper analyses the dynamic linkages between firms' imports of intermediate inputs and exports, for Colombia, an emerging economy. We use data for manufacturing firms from the Colombian Annual Manufacturing Survey, for the period 2007-2016. We specially focus on the identification of direct...

In this paper we investigate the pattern of R&D efficiency in terms of the number of product innovations achieved by firms over time. Embodied in the R&D capital stock, we distinguish among physical R&D capital and human R&D capital, and allow the latter to be subject to dynamic returns along...