98: What's Wrong with Germany's Trade Surplus?

Episode Summary

Executive Summary: The episode examines Germany’s unusually large trade and current account surplus, tracing it to reunification, euro membership, post-2000 reforms, China-driven demand, and aging-related savings behavior. Jeremy Zettelmeyer argues the surplus reflects persistent underinvestment, not just export strength, and that Germany should raise public and private investment rather than celebrate export success. The discussion links this to rising economic nationalism and Trump-era industrial policy.

Main Topics: Why Germany trades so much and runs a large surplus (Priority: 5/5): Germany is unusually open for a large economy, but the real puzzle is its persistent current account surplus. The panel frames the surplus as a combination of export strength and, more importantly, weak domestic consumption and investment. Reunification, the euro, and the early-2000s surplus surge (Priority: 5/5): German reunification weakened competitiveness and briefly erased the surplus, but reforms, euro-area dynamics, and capital flows later helped Germany regain strength and expand its surplus. China shock and external demand for German industry (Priority: 4/5): China both displaced some advanced-economy manufacturing and boosted demand for German capital goods and machinery, creating a mixed but ultimately supportive effect for German exports. Underinvestment and the savings puzzle (Priority: 5/5): Zettelmeyer stresses the deeper mystery is not exports, but why Germany saves so much instead of investing or consuming more, pointing to wages, labor institutions, public investment limits, and decentralized decision-making. Exchange rates, euro membership, and surplus persistence (Priority: 4/5): A floating exchange rate would likely have caused German currency appreciation and reduced the surplus, but euro membership prevented that adjustment and kept Germany highly competitive relative to weaker euro-area members. Economic nationalism and industrial policy (Priority: 4/5): The conversation connects German and Trumpian economic nationalism, arguing that both overvalue exports as a national virtue. Trump’s trade wars also made more interventionist industrial policy politically acceptable in Germany. Policy implications: more investment, less protectionism (Priority: 5/5): The speakers argue the constructive response is higher public investment, better infrastructure, and possibly higher wages—not export glorification or protectionist industrial policy.

Key Arguments: Germany’s trade surplus is not just about strong exports; the real issue is that Germany saves and invests too little domestically. The surplus surged after the late 1990s due to reunification-related weakness, then reforms, euro-area capital flows, and later the global financial crisis. Euro membership suppressed the exchange-rate adjustment that would normally reduce a very large surplus in a floating-currency system. The China shock had a dual effect: it increased competition but also raised demand for German machinery and capital goods used by Chinese industry. Germany’s surplus reflects underinvestment, low wage growth, public-sector caution, and decentralized institutional barriers to investment. Germany should reduce the surplus by increasing public and private investment, not by trying to manipulate exports or pursue protectionism. Trump’s critique of Germany is partly logically defensible if it points to German underinvestment, but not if it accuses Germany of cheating. Rising economic nationalism in Germany stems from fear of technological decline, dependence on a few industries, and Trump’s normalization of interventionist rhetoric.

Data Points: Germany imports as share of GDP: around 40% - Used to show how open the German economy is. Germany exports as share of GDP: around 47% - Used to show Germany’s strong trade orientation. Germany trade surplus in 2018: 7% of GDP - Illustrates the size of the current account/trade imbalance. US imports/exports share of GDP: about 12% - Comparison point showing Germany is much more trade-intensive than the US. Surplus duration: grew enormously since the late 1990s - The surplus was not always large; it expanded over time. Period of decline: 1990s - German unification briefly weakened competitiveness and eliminated the surplus. Timeline of concern about demographics: mid-2000s - Growing awareness of aging helped increase savings behavior. Reforms period: early 2000s - German labor and structural reforms improved competitiveness. Euro area crisis period: late 2000s onward - South Europe’s competitiveness weakened, helping Germany look stronger by comparison. Germany’s public finance situation in the late 1990s: deficit and strained public finances - Part of the post-unification adjustment.

Pivotal Quotes: "the real puzzle is why Germany saved what it earned abroad rather than using it for investment or consumption" — Jeremy Zettelmeyer: Explaining why the surplus persists despite export success. "you cannot really sustain a surplus of 7%, 8%, 9% in a floating exchange rate regime over a period of 10 to 15 years" — Jeremy Zettelmeyer: Describing how euro membership helped prevent exchange-rate adjustment. "the current account should be reduced through higher investment" — Jeremy Zettelmeyer: His policy recommendation for Germany.

Implications: Germany’s surplus is a sign of domestic imbalance, not just strength. For policymakers, the key lesson is to boost investment and wages, modernize infrastructure, and resist turning trade success into nationalist mythology or protectionist industrial policy.