Before revision: In this paper, we introduce the Input Rank as a measure to study URLanization of global supply networks at the firm level. We model the case of a firm that needs assessing the technological relevance of each direct and indirect supplier on a network-like production function with labor and intermediate inputs.
After revision: In this paper, we introduce the Input Rank as a measure of relevance of direct and indirect supplier on a network-like production function with labor and intermediate inputs.