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10.2 International portfolio investment

🥇International Economics
Unit 10 Review

10.2 International portfolio investment

Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025
🥇International Economics
Unit & Topic Study Guides

International portfolio investment allows investors to diversify globally, seeking higher returns and reduced risk. This strategy involves buying foreign stocks, bonds, and funds, motivated by the potential for growth in emerging markets and protection against domestic economic shocks.

While offering opportunities for enhanced returns and risk management, international investing comes with unique challenges. These include currency fluctuations, political instability, and regulatory differences. Balancing these risks against potential rewards is key to successful global portfolio management.

International Portfolio Investment

Components of international portfolio investment

  • International portfolio investment involves acquiring financial assets from foreign countries to construct a diversified investment portfolio
  • Key components include purchasing stocks of international companies listed on foreign stock exchanges (Toyota on Tokyo Stock Exchange)
  • Investing in bonds issued by foreign governments (UK government bonds) or corporations to earn interest income
  • Buying into mutual funds or exchange-traded funds (ETFs) that hold a basket of foreign securities to gain broad exposure to international markets
  • Engaging in other securities like foreign currency-denominated money market instruments (Eurodollar deposits) or derivatives to manage risk or speculate on price movements

Motivations for international investment

  • Diversifying investment risk by spreading capital across different countries and economies not perfectly correlated with domestic markets (investing in both US and emerging markets)
  • Reducing exposure to home country-specific events like natural disasters or political instability that could negatively impact domestic asset prices
  • Seeking higher potential returns by investing in fast-growing foreign economies (China) or undervalued international markets with attractive valuations
  • Exploiting differences in interest rates across countries by investing in higher-yielding bonds or money market instruments denominated in foreign currencies (Australian government bonds)
  • Gaining access to a broader range of investment opportunities in sectors (healthcare) or companies (Nestle) not well-represented in the domestic market
  • Participating in the long-term growth potential of emerging markets (India) as they develop their economies and financial markets
  • Hedging against the risk of domestic currency depreciation by holding assets denominated in more stable or appreciating foreign currencies (Swiss francs)

Impact on global capital flows

  • Cross-border portfolio investment increases international capital flows as funds move between countries seeking attractive returns and diversification
  • Foreign investment inflows can stimulate economic growth and development in recipient countries by providing capital for business expansion and infrastructure projects
  • However, large outflows of domestic capital to overseas investments can lead to balance of payments imbalances and put pressure on exchange rates
  • International portfolio investment affects asset prices and market efficiency as foreign investors buy and sell securities in local markets
  • Increased foreign participation can boost demand for domestic assets (real estate), driving up prices and valuations
  • Improved information flow and integration with global markets enhances price discovery and market efficiency as more participants trade on new information
  • Potential for contagion and spillover effects arises when financial shocks in one country spread to other markets through portfolio investment linkages
  • Sudden shifts in foreign investor sentiment can trigger large-scale capital inflows (during bull markets) or outflows (during crises), amplifying market movements

Risks vs returns in international strategies

  • Country-specific risks arise from unique political, economic, and regulatory factors in each foreign market
  • Political instability (coups) or sudden changes in government policies can disrupt financial markets and impact investment returns
  • Economic risks include recessions, inflation, or sovereign debt crises (Greece in 2010) that could erode the value of foreign investments
  • Regulatory risks involve changes in foreign ownership rules, capital controls, or tax laws that adversely affect international investors
  • Currency risk stems from fluctuations in exchange rates between the domestic and foreign currencies
  • Depreciation of the foreign currency relative to the investor's home currency reduces the value of international holdings and returns when converted back
  • Hedging strategies using currency forwards (locking in future exchange rates) or options can help mitigate currency risk exposure
  • Liquidity risk may be higher in some foreign markets with lower trading volumes or less developed financial infrastructure
  • Difficulty in selling foreign assets quickly or at fair prices during market downturns can lead to larger losses for international investors
  • Cross-border transactions often involve higher costs like currency conversion fees, foreign taxes (withholding tax on dividends), and settlement charges
  • These higher expenses can erode the net returns earned by international investors compared to domestic investments
  • However, exposure to fast-growing economies (emerging markets) or undervalued foreign assets (European stocks) offers the potential for higher returns
  • Diversification benefits from low correlations between international and domestic markets can improve risk-adjusted returns over long time horizons