Purpose The purpose of this paper is to analyze the joint effect of persistency in innovation and export on firms’ total factor productivity. In particular, the aim is to determine if exporting in international markets along subsequent periods, and being also continuously innovating over the same periods, can be associated with increases in firms’ productivity. The underlying idea is that time recurrence of these strategies is related to the firms’ ability to optimize external knowledge flows enhancing their productivity. Design/methodology/approach By using data on Italian manufacturing firms over the period 1998–2006, the authors distinguish between repeated and temporary exporting firms, as well as repeated and temporary innovators, to test (through two-step system generalized methods of moments) the existence of any combined learning-by-exporting and learning-by-doing effects. Findings This paper provides empirical findings about persistent innovation efforts being better associated with a permanent presence in foreign markets. More in detail, persistently innovative and exporting firms have better productivity results than persistently exporting (innovating) firms with non-persistent innovation (export). Combining both strategies could be an opportunity to internalize knowledge flows coming from long-lasting exposure to foreign markets. These results hold especially for small firms. Originality/value The novelty of this paper is twofold. First, the authors argue that the temporal dimension of firms’ exporting and innovating activities may influence firms’ productivity. Second, while previous studies explored the role of export and innovation on productivity in isolation, the authors consider the joint effect of this relationship and also explore it across the temporal dimension finding evidence that they have a positive, reinforced effects if firms implement these activities continuously and jointly. In this case, the effect of innovation and export on productivity is significantly higher than if firms with intermittent strategies do not have the time to internalize knowledge flows coming from participating in export market.

This study investigates the role of digital capacities in the internationalisation processes of Italian provinces using a panel dataset built upon the territorial statistical database of ISTAT (Italian National Institute of Statistics) for the period 2014–2017. The purpose is to explore the link between three internationalisation indicators (export value, export intensity and export in most dynamics sectors) and two ICT drivers (use of e-business digital technologies, such as cloud computing, and use of social media) expected to enable firms to share information along the supply chain and to ease firms’ communication and fixed cost investment. To purge the analysis from unobserved determinants of export performance and ICT adoption reverse causation problems, the identification relies on an instrumental variables approach that addresses the endogeneity of our two variables of interest related to ICT. The results show a significant relationship between the ICT capacities related to cloud adoption and our export indicators confirming the role of e-business digital technologies in explaining the export performance of Italian provinces. The use of social media also appears weakly able to impact on the export performances indicators. These results are robust to our endogeneity checks.

PurposeThis study aims to consider how migrants may act as channel of diffusion of knowledge which contributes to the dynamics of trade and comparative advantages of EU and MENA countries for the period 1990–2015.Design/methodology/approachAdopting an IV approach and a gravity framework to instrument for migration, the authors document how variations in stocks of migrants coming from (in) countries that are already competitive exporters of a given product impact on the probability that the destination (home) country starts to export competitively new products or succeed in exporting more intensively.FindingsControlling for potential confounding factors which can be correlated to knowledge flows and productivity shifts, the authors find trade-promoting effects via migration flows (mostly immigration) between the two areas, testing our hypotheses by different technology classes of products and different specifications.Originality/valueThe contribution of this work to the literature is threefold. First, by providing evidence on international knowledge diffusion induced by migration flows between MENA and EU regions, like no other work before, the authors document the effects of migration on trade and comparative advantages. Second, unlike standard literature on migration-trade link, the authors focus more on long-term structural changes in comparative advantages than on trade volumes. Third, we exploit how the effect of migration on margins of trade varies according to different types of goods, classified by technological level.

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