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Working Paper
U.S. Housing as a Global Safe Asset: Evidence from China Shocks
This paper demonstrates that the measured stock of China's holding of U.S. assets could be much higher than indicated by the U.S. net international investment position data due to unrecorded historical Chinese inflows into an increasingly popular global safe haven asset: U.S. residential real estate. We first use aggregate capital flows data to show that the increase in unrecorded capital inflows in the U.S. balance of payment accounts over the past decade is mainly linked to inflows from China into U.S. housing markets. Then, using a unique web traffic dataset that provides a direct measure ...
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
A Model of Global Firms and Capital Markets
We develop a general-equilibrium model of the global economy that integrates heterogeneous firms competing in product markets with countries that allocate capital around the world. Combining a hedonic demand system on the product side with a mean-variance portfolio system on the asset side, we obtain almost closed-form solutions for the equilibrium of the model. We use firm-level data on balance sheets, geographic breakdowns of revenue and employment, and business descriptions along with country-level data on bilateral equity holdings and trade costs to quantify the model to a cross section ...
Working Paper
Escaping the Middle-Income Trap: A Cross-Country Analysis on the Patterns of Industrial Upgrading
With rapid industrial upgrading along the global value chain of manufactured goods, China has transformed, within one generation, from an impoverished agrarian society to a middle-income nation as well as the largest manufacturing powerhouse in the world. This article identifies the pattern of China?s industrial upgrading and compares it with those of other successfully industrialized economies and the failed ones. We find that (i) China (since 1978) followed essentially the same path of industrial upgrading as that of Japan and the ?Asian Tigers.? These economies succeeded in catching up ...
Working Paper
Technology, Geography, and Trade over Time: The Dynamic Effects of Changing Trade Policy
I study the dynamic effects of changes in trade policy in a multi-country model with firms that make durable and destination-specific investments in exporting capacity. Using Mexican exporter-level data, I show that incumbent exporters to minor trade partners account for a smaller share of bilateral exports than do incumbent exporters to major trade partners, indicating a systematic difference in the persistence of the export decision across destinations. The model is calibrated to capture the positive relationship between exporting persistence and export volume, and predicts that trade ...
Working Paper
Benefits of foreign ownership: evidence from foreign direct investment in china
To examine the effect of foreign direct investment, this paper compares the post-acquisition performance changes of foreign- and domestic-acquired firms in China. Unlike previous studies, we investigate the purified effect of foreign ownership by using domestic-acquired firms as the control group. After controlling for the acquisition effect that also exists in domestic acquisitions, we find no evidence in the data that foreign ownership can bring productivity gains to target firms. In contrast, a strong and robust finding is that foreign ownership significantly improves target firms' ...
Working Paper
Innovation and Trade Policy in a Globalized World
How do import tariffs and R&D subsidies help domestic firms compete globally? How do these policies affect aggregate growth and economic welfare? To answer these questions, we build a dynamic general equilibrium growth model where firm innovation endogenously determines the dynamics of technology, market leadership, and trade flows, in a world with two large open economies at different stages of development. Firms? R&D decisions are driven by (i) the defensive innovation motive, (ii) the expansionary innovation motive, and (iii) technology spillovers. The theoretical investigation illustrates ...
Working Paper
Measuring Geopolitical Fragmentation: Implications for Trade, Financial Flows, and Economic Policy
Recent geopolitical tensions have revived interest in understanding the economic consequences of geopolitical fragmentation. Using bilateral trade flows, portfolio investment data, and detailed records of economic policy interventions, we revisit widely-used geopolitical distance metrics, specifically the Ideal Point Distance (IPD) derived from United Nations General Assembly voting. We document substantial variability in measured fragmentation, driven significantly by methodological choices related to sample periods and vote categories, especially in the wake of Russia’s 2022 invasion of ...
Working Paper
Multinationals and Structural Transformation
We study how multinational corporations (MNCs) shape firm-level and aggregate structural transformation. Using confidential microdata from Japan and exploiting a quasi-exogenous reform that expanded foreign investment opportunities in China, we assess empirically how this reform affected employment at firms in both the host country (China) and the home country (Japan). In liberalized industries, Japanese manufacturing affiliates in China expanded employment, while parent firms in Japan shifted out of manufacturing and into higher-value service activities, including R&D. To assess the broader ...
Working Paper
Trade Risk and Food Security
International trade provides critical access to food, yet many food-importing countries protect agriculture even where productivity is low. We study how the risk of trade disruptions shapes food security, the global distribution of production, and optimal policy. We document that reliance on imported staples is linked to higher food insecurity, particularly in poorer countries. Exploiting the Ukraine–Russia war, we find that districts in Ethiopia more exposed to disrupted imports suffered sharper declines in food security. We develop a multi-sector model of trade with stochastic trade costs ...