The correlation between a firm’s size and its productivity level varies considerably across OECD countries, suggesting … that some countries are more successful at channelling resources to high productivity firms than others. Accordingly, we … examine the extent to which regulations affecting product, labour and credit markets influence productivity, via their effect …

that combines evidence on agglomeration benefits and the productivity impact of metropolitan governance structures, while … rather than administrative boundaries. In line with the literature, the analysis confirms that city productivity increases … with city size but finds that cities with fragmented governance structures tend to have lower levels of productivity. This …

measures perform well in regression analysis explaining productivity across OECD countries and over time. In OECD samples …

competition through increased imports can lead to market share reallocations among domestic firms with different productivity … (spillovers). Each of these channels may have a major impact on aggregate productivity. This paper presents comparative evidence … productivity is close to zero. If the scope for technological learning is limited, the selection effect dominates and imports lead …