… As the UIC relationship is an inter-organizational structural arrangement, firms should use
… Table 4 demonstrates that our findings are robust for other covariates in all quantiles. For …

… innovation survey data for France, Germany, and the United Kingdom, we assess the robustness
of the literature on inbound open innovation … We investigate a wide range of innovation …

… Finally, we add further structure to our framework of … -level heterogeneity for our analysis,
the possibility to control for firm-level fixed effects is of paramount importance for the robustness …

… Another issue less explored is the robustness of the … to rate the national innovation systems
by their “structure,” linking … modes from other factors influencing the innovation performance. …

… studied: The first is the level of heterogeneity, namely, the width of the … innovation performance
needs to be further studied. We hypothesize that closeness centrality provides robustness …

… Fully considering the actual characteristics of the local resource structure, we explore how
… [51], and it has demonstrated robust reliability and validity through an exploratory factor test. …

… We structure the rest of this paper as follows: the first section encompasses the theoretical
… Notably, this is affirmed by our robustness test, which suggested that the impact of science-…

… elements, which permits us to structure precise and fine-grained … Robust ordinary least
squares regressions were used to … Furthermore, robust ordinary least squares regressions were …

… the knowledge innovation, innovation performance has been … This study used partial structural
equation modeling (PLS-SEM) … more variables, heterogeneity of robustness check is vital. …

… centrality and innovation performance of entrepreneurial … biased estimates from observed
heterogeneity can easily appear … Table IV are robust when correcting for potential endogeneity. …