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  • Economic Growth and Aggregate Productivity: General x
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Reda Cherif and Fuad Hasanov
We provide an overview of the theories and empricial evidence on the complex relationship among innovation, competition, and inclusive growth. Competition and innovation-led growth are critical to drive productivity gains and support broad-based growth. However, new technologies and trends in market concentration are stifling future innovation while contributing to the marked increase in inequality. Beyond consumer welfare in a narrow market, competition policy should adapt to this new reality by considering the spillover and dynamic effects of market power, especially on firm entry, innovation, and inequality. Innovation policies should tackle not only government failures but also market failures.
Mr. Adil Mohommad, Charlotte Sandoz, and Piyaporn Sodsriwiboon
At the macro level, productivity is driven by technology and the efficiency of resource allocation, as outcomes of firms’ decision making. The relatively high level of resource misallocation in India’s formal manufacturing sector is well documented. We build on this research to further investigate the drivers of misallocation, exploiting micro-level variation across Indian states. We find that states with less rigid labor markets have lesser misallocation. We also examine the interaction of labor market rigidities with informality which is a key feature of India’s labor markets. Our results suggest that reducing labor market rigidities in states with high informality has a net positive effect on aggregate productivity.
Ms. Natasha X Che
Uruguay experienced one of its biggest economic booms in history during 2004-2014. Since then, growth has come down significantly. The paper investigates the various causes of the boom and discusses the sustainability of these causes. It then compares Uruguay against high-growth countries that were once at a similar income level, across a broad set of structural indicators, to identify priority reform areas that could improve long-term growth prospect.
Mr. Antonio David, Mr. Takuji Komatsuzaki, and Samuel Pienknagura
This paper estimates the macroeconomic effects of structural reforms in Latin America and the Caribbean (LAC) using the dataset constructed by Alesina et al. (2020). We find that large changes in the reform index have positive effects on GDP and employment that reach 2 percent after 5 years. Furthermore, reforms boost investment, exports, imports, and reduce export concentration, in addition to favoring tradable sectors. Nonetheless, the results also indicate that the effects of reforms have not been uniform across different segments of the population. These findings bring to the forefront the need to consider accompanying policies to ensure that reforms promote inclusive growth. Moreover, evidence from country case studies using the synthetic control method point to heterogeneous effects of reforms on income per capita.
Antoine Berthou, John Jong-Hyun Chung, Kalina Manova, and Charlotte Sandoz
We examine the gains from globalization in the presence of firm heterogeneity and potential resource misallocation. We show theoretically that without distortions, bilateral and export liberalizations increase aggregate welfare and productivity, while import liberalization has ambiguous effects. Resource misallocation can either amplify, dampen or reverse the gains from trade. Using model-consistent measures and unique new data on 14 European countries and 20 industries in 1998-2011, we empirically establish that exogenous shocks to export demand and import competition both generate large aggregate productivity gains. Guided by theory, we provide evidence consistent with these effects operating through reallocations across firms in the presence of distortions: (i) Both export and import expansion increase average firm productivity, but the former also shifts activity towards more productive firms, while the latter acts in reverse; (ii) Both export and import exposure raise the productivity threshold for survival, but this cut-off is not a sufficient statistic for aggregate productivity; (iii) Efficient institutions, factor and product markets amplify the gains from import competition but dampen those from export access.
Yang Yang
This paper examines the impact of highway expansion on aggregate productivity growth and sectoral reallocation between cities in China. To do so, I construct a unique dataset of bilateral transportation costs between Chinese cities, digitized highway network maps, and firm-level census. I first derive and estimate a market access measure that summarizes all direct and indirect impact of trade costs on city productivity. I then construct an instrumental variable to examine the causal impact of highways on economic outcomes and the underlying channels. The results suggest that highways promoted aggregate productivity growth by facilitating firm entry, exit and reallocation. I also find evidence that the national highway system led to a sectoral reallocation between cities in China.