Immigration is sometimes claimed to be a key contributor to economic growth. Few academic studies, however, examine the … direct link between immigration and growth. And the evidence on the outcomes that the literature does examine (such as the … what we know about the relationship between immigration and growth. The canonical Solow model implies that a one …

We show a causal impact of immigration on innovation and dynamism in US counties. To identify the causal impact of … immigration, we use 130 years of detailed data on migrations from foreign countries to US counties to isolate quasi … recent decades. We show four main results. First, immigration has a positive impact on innovation, measured by the patenting …

the perspective of economic theory as well as from the perspective of the historical experiences of the countries under … model specification. Model uncertainty consists of two types: theory uncertainty, which relates to which growth determinants … draws from the same statistical model. We propose ways to account for both theory and heterogeneity uncertainty. Finally …