Search Results
Working Paper
Structural Change and Global Trade
Services, which are less traded than goods, rose from 58 percent of world expenditure in 1970 to 79 percent in 2015. In a trade model featuring nonhomothetic preferences and input-output linkages, we find that such structural change has restrained the growth in world trade to GDP by 16 percentage points over this period. This magnitude is similar to how much declining trade costs have boosted openness. Moreover, structural change dampens the measured gains from trade by incorporating endogenous responses of expenditure shares to the trade regime. Ongoing structural change implies declining ...
Discussion Paper
Which states are most exposed to tariff increases? A new measure based on the consumption channel
This note examines the heterogeneous exposure of states in terms of their consumption of direct consumer goods imports, which is an important channel through which states are exposed to increases in trade costs such as tariffs. Building on the methodology that Hottman and Monarch (2020) and Hottman and Monarch (2026) used to construct a similar measure for U.S. income deciles and other demographic groups, we construct a new state-level measure using a recent year of data.
Discussion Paper
Beyond Imports: The Supply Chain Effects of Trade Protection on Export Growth
The United States imposed a series of wide-ranging increases in import tariffs from 2018 through 2019. By August of 2019, $290 billion of U.S. imports - about 12% of the total - were subject to an average tariff increase of 24 percentage points.
Working Paper
Gains from Offshoring? Evidence from U.S. Microdata
We construct a new linked data set with over one thousand offshoring events by matching Trade Adjustment Assistance program petition data to confidential data on U.S. firm operations. We exploit these data to assess how offshoring affects domestic firm-level aggregate employment, output, wages and productivity. Consistent with heterogenous firm models where offshoring involves a fixed cost, we find that the average offshoring firm is larger and more productive than the average non-offshorer. After initiating offshoring, firms experience large declines in employment (46.2 per cent), output ...
Working Paper
Estimating Unequal Gains across U.S. Consumers with Supplier Trade Data
Using supplier-level trade data, we estimate the effect on consumer welfare from changes in U.S. imports both in the aggregate and for different household income groups from 1998 to 2014. To do this, we use consumer preferences which feature non-homotheticity both within sectors and across sectors. After structurally estimating the parameters of the model, using the universe of U.S. goods imports, we construct import price indexes in which a variety is defined as a foreign establishment producing an HS10 product that is exported to the United States. We find that lower income households ...
Working Paper
Identifying Foreign Suppliers in U.S. Import Data
Relationships between firms and their foreign suppliers are the foundation of international trade, but data limitations and reliability concerns make studying such relationships challenging. We evaluate and enhance supplier information in U.S. import data and present new facts about importer?exporter relationships. Count of foreign exporters from U.S. import data tends to exceed those from source country data, especially from China. The pattern of U.S. imports from origin countries changes substantially by tracing trade back to the supplier's location instead. Related-party relationships ...
Working Paper
Structural Change and Global Trade
Services, which are less traded than goods, rose from 50 percent of world expenditure in 1970 to 80 percent in 2015. Such structural change restrained "openness"?the ratio of world trade to world GDP?over this period. We quantify this with a general equilibrium trade model featuring non-homothetic preferences and input-output linkages. Openness would have been 70 percent in 2015, 23 percentage points higher than the data, if expenditure patterns were unchanged from 1970. Structural change is critical for estimating the dynamics of trade barriers and welfare gains from trade. Ongoing ...
Working Paper
Learning and the Value of Trade Relationships
This paper quantifies the value of importer-exporter relationships. We show that almost 80 percent of U.S. imports take place in pre-existing relationships, with sizable heterogeneity across countries, and show that traded quantities and survival increase as relationships age. We develop a two-country general equilibrium trade model with learning that is consistent with these facts. A model-based measure of relationship value explains survival during the 2008-09 crisis. Knowledge accumulated within long-term relationships is quantitatively important: wiping out all memory from previous ...
Working Paper
\"It's Not You, It's Me\" : Breakups in U.S.-China Trade Relationships
Costs to switching suppliers can affect prices by discouraging buyer movements from high to low cost sellers. This paper uses confidential U.S. Customs data on U.S. importers and their Chinese exporters to investigate these costs. I find considerable barriers to supply chain adjustments: 45% of arm?s-length importers keep their partner, and one-third of switching importers remain in the same city. Guided by these regularities, I propose and structurally estimate a dynamic discrete exporter choice model. Cost estimates are large and heterogeneous across products. These costs matter for trade ...
Working Paper
Rising Import Tariffs, Falling Export Growth: When Modern Supply Chains Meet Old-Style Protectionism
We examine the impacts of the 2018-2019 U.S. import tariff increases on U.S. export growth through the lens of supply chain linkages. Using 2016 confidential firm-trade linked data, we document the implied incidence and scope of new import tariffs. Firms that eventually faced tariff increases on their imports accounted for 84% of all exports and they represent 65% of manufacturing employment. For all affected firms, the implied cost is $900 per worker in new duties. To estimate the effect on U.S. export growth, we construct product-level measures of import tariff exposure of U.S. exports from ...