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Working Paper
A North-South Model of Structural Change and Growth
This paper is motivated by a set of cross-country observations on economic growth, structural transformation, and investment rates in a large sample of countries, We observe a hump-shaped relationship between a country’s investment rate and its level of development, both within countries over time and across countries. Advanced economies reach their investment peak at a higher level of income and at an earlier point in time relative to emerging markets. We also observe the familiar patterns of structural change (a decline in the agricultural share and an increase in the services share, both ...
Working Paper
Structural Change and the Rise in Markups
Is the recent rise in markups caused by increased monopoly power or is it a natural consequence of structural change? I show that the rise in aggregate markups has been driven by a reallocation of market share away from non-services to services-producing firms and a faster increase of services’ markups. I develop a two-sector model to assess the sources of the rise in markups, in which the two forces of structural change play opposing roles. On one hand, an increase in the relative productivity of manufacturing leads to a decline of the relative price of manufactured goods and to an ...
Working Paper
Trade Risk and Food Security
We study the role of international trade risk for food security, the patterns of production and trade across sectors, and its implications for policy. We document that food import dependence across countries is associated with higher food insecurity, particularly in low-income countries. We provide causal evidence on the role of trade risk for food security by exploiting the exogeneity of the Ukraine-Russia war as a major trade disruption limiting access to imports of critical food products. Using micro-level data from Ethiopia, we empirically show that districts relatively more exposed to ...
Working Paper
Trade Risk and Food Security
We study the role of international trade risk for food security, the patterns of production and trade across sectors, and its implications for policy. We document that food import dependence across countries is associated with higher food insecurity, particularly in low-income countries. We provide causal evidence on the role of trade risk for food security by exploiting the exogeneity of the Ukraine-Russia war as a major trade disruption limiting access to imports of critical food products. Using micro-level data from Ethiopia, we empirically show that districts relatively more exposed to ...
Working Paper
Structural Change in Sub-Saharan Africa: An Open Economy Perspective
We study the evolution of manufacturing value added shares in 11 sub-Saharan African (SSA) countries through the lens of an open economy model of structural change. Our analysis leverages recent developments in input-output tables in SSA countries. Our model allows for income effects via non-homothetic preferences, substitution and relative price effects, as well as comparative advantage and specialization effects. We calibrate our model to include each SSA country with nine other major economies for each year between 2000 and 2018. We also do a similar set of calibrations for 11 developing ...
Working Paper
Do Human Capital Adjustments Protect Youths from Structural Change?
Structural changes to labor demand can have lasting consequences on the employment and earnings of workers in affected industries and geographies. However, individuals coming of age may avoid similar fates if they internalize salient changes to the returns to education and adjust their human capital investments. This paper studies the effects of exposure to structural labor demand shocks during youth and adolescence on human capital accumulation and later-life earnings. I use student-level administrative data from Texas and a modified difference-in-differences design that compares changes in ...
Working Paper
Deindustrialization and Industry Polarization
We add to recent evidence on deindustrialization and document a new pattern: increasing industry polarization over time. We assess whether these new features of structural change can be explained by a dynamic open economy model with two primary driving forces, sector-biased productivity growth and sectoral trade integration. We calibrate the model to the same countries used to document our patterns. We find that sector-biased productivity growth is important for deindustrialization by reducing the relative price of manufacturing to services, and sectoral trade integration is important for ...