2012年-IMF国际货币组织全球_External_Imbalances_in_the_Euro_Area_51页_942kb

Summary of "External Imbalances in the Euro Area"

Core Content

This IMF Working Paper analyzes the causes and consequences of external imbalances in the euro area, focusing on the role of trade shocks and financial integration in shaping the current account positions of major debtor countries. The authors argue that while traditional explanations for the rise in external imbalances are partially valid, they are incomplete and fail to capture the asymmetric impact of trade shocks from non-euro area countries.

Main Viewpoints

• External Imbalances and Trade Shocks: The current account imbalances of euro area countries, especially the five largest net debtors (Greece, Ireland, Italy, Portugal, and Spain), were significantly influenced by trade shocks from outside the euro area, particularly from China, Central and Eastern Europe (CEE), and oil exporters.
• Asymmetric Impact: These trade shocks had a differential effect on export competitiveness, with Germany benefiting from increased demand for machinery and equipment, while debtor countries faced displacement from their foreign markets due to Chinese exports.
• Terms of Trade Shocks: Rising oil prices contributed to trade deficits in debtor countries, but also increased demand for German exports, further exacerbating the imbalances.
• Financial Integration: The imbalances were financed by capital inflows from within the euro area, especially from France and Germany, rather than from the rest of the world. This suggests a preference among euro area investors for securities from "peripheral" countries over those from the rest of the world.

Key Information

I. Introduction

• The euro area faced severe external imbalances after its first decade, driven by factors such as public debt, banking sector fragility, and weak growth prospects.
• The paper focuses on the external dimension of the crisis, particularly on the growing current account imbalances and their financing.
• The analysis highlights the importance of trade linkages and financial integration in explaining the divergence in external balances among euro area countries.

II. Stylized Facts on Euro Area Imbalances and Their Interpretation

A. Stylized Facts

• At the time of euro accession, Greece and Portugal had large current account deficits and high real effective exchange rates (REER).
• By the end of the first decade, Greece, Ireland, Portugal, and Spain had net external liabilities close to or exceeding 100% of GDP.
• Germany and other Northern European countries built significant current account surpluses, while the euro area as a whole remained in broad balance.
• There were significant differences in the evolution of saving and investment across debtor countries, with some experiencing strong growth due to construction booms and others facing weak growth and declining savings.

B. Traditional Explanations

• Financial Integration: The euro area's financial integration reduced transaction costs and allowed for net capital inflows from richer to poorer countries.
• Competitiveness Problem: Over-optimism and wage/price rigidities in debtor countries led to higher domestic demand and real appreciation, reducing export competitiveness.
• Neoclassical Convergence: The theory of convergence suggests that capital flows should move from more productive to less productive economies, but this was not always the case in the euro area.

III. Euro Area Imbalances and the Rest of the World: New Stylized Facts

A. Real Exchange Rate Appreciation

• The real exchange rate appreciation in debtor countries was primarily driven by the nominal appreciation of the euro.
• Domestic price increases and unit labor cost rises played a significant role, especially in countries like Spain and Ireland.
• Germany's real exchange rate remained stable due to a decline in unit labor costs, offsetting the nominal appreciation.

B. Trade Developments with Non-Euro Area Countries

• Trade with non-euro area countries accounted for a large share of imports and exports for all debtor countries and for Germany and France.
• The trade balance of Greece, Italy, and Spain deteriorated significantly, linked to rising imports from non-euro area countries.
• Germany's exports to emerging Asia, CEE, and oil exporters increased substantially, contributing to its trade surplus.
• The terms of trade deteriorated for several debtor countries due to rising oil prices and declining export competitiveness.

C. Capital Flows

• The euro area's net financial assets (NFA) remained stable, but gross assets and liabilities increased significantly.
• Investors from outside the euro area primarily held debt securities from "core" countries, not from deficit countries.
• The financing of euro area imbalances was largely internal, with capital inflows from France and Germany playing a key role.

IV. Econometric Evidence of the Asymmetric Impact of Trade Shocks on Export Competitiveness

• The authors test the hypothesis that trade shocks from outside the euro area had asymmetric effects on export competitiveness.
• They find that the rise of China and the integration of CEE countries into global production chains had a significant impact on the export performance of euro area countries.
• Econometric models show that trade shocks, particularly from China, had a negative effect on the export performance of debtor countries, while Germany benefited from increased demand for its exports.
• The analysis also shows that the real appreciation of the euro, driven by both nominal appreciation and rising unit labor costs, had a detrimental effect on export competitiveness.

V. The Financing of Euro Area Debtor Countries

• The external deficits of debtor countries were financed by intra-euro area capital inflows, particularly from France and Germany.
• These inflows were directed towards government and financial sector debt, indicating a strong financial integration within the euro area.
• The pattern of capital flows suggests that euro area investors viewed peripheral country securities as closer substitutes to core country securities.

VI. Concluding Remarks

• The observed external imbalances were not solely due to internal factors but were significantly influenced by trade shocks and financial integration.
• The lack of adjustment mechanisms in the euro area, particularly the continued real appreciation of the euro, delayed the necessary adjustments in trade performance.
• The paper highlights the need for better understanding of the link between public debt and external liabilities, as well as the role of financial integration in sustaining imbalances.

Structure and Methodology

• The paper uses a combination of stylized facts, econometric analysis, and decomposition of exchange rates and trade balances.
• It examines the impact of trade shocks on export performance using sectoral export regressions.
• The analysis of capital flows and financial integration is based on data on net foreign asset positions and international investment positions.

Policy Implications

• The findings suggest that the euro area's financial integration and the role of external trade shocks must be considered in assessing external imbalances.
• The paper emphasizes the need for more flexible labor markets and better adjustment mechanisms to address the growing divergence in trade performance.
• The role of capital flows from core to periphery countries indicates that structural reforms in the periphery are necessary to restore external balance.