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ホーム   Breadcrumb right  コース   Breadcrumb right  Introduction to fundamental analysis   Breadcrumb right  Understanding macroeconomic factors

マクロ経済要因を理解する

For investors who prioritize fundamental analysis, understanding the macroeconomy is essential.

Corporate data and stock prices fluctuate daily, but these larger forces determine the overall direction, including interest rates, inflation, investor sentiment, and long-term market trends.

 

Understanding macroeconomics helps you understand why economies expand or contract, how government policies affect business activities, and what to focus on when assessing future growth.

This lesson will explain the key macroeconomic factors that drive financial markets and how they are linked to investment decisions.

 

What are macroeconomic factors?

Macroeconomic factors refer to economic conditions that affect an entire country or the world, rather than individual companies or industries.

This includes GDP growth rate, fiscal and monetary policies, inflation rate, unemployment rate, interest rates, and trends in international trade.

 

These factors are constantly influencing each other.

Government tax cuts to stimulate consumption, central banks raising interest rates to curb inflation, and geopolitical tensions disrupting trade—these actions have ripple effects on markets around the world.

 

Macroeconomic analysis gives investors a broader perspective.

Instead of just looking at a company's financial statements, we should look at the entire economic environment in which that company operates.

Strong macroeconomic conditions create investment opportunities, but weak conditions can lead to disappointing stocks that initially appeared promising.

 

Fiscal policy: How does the government influence growth?

Fiscal policy is a means by which the government influences the economy through spending and taxation.

This is one of the most direct policy tools for stimulating or curbing the economy.

 

Expansionary fiscal policy

When economic growth slows or unemployment rises, governments may increase spending or cut taxes.

This allows money to circulate among people, stimulating consumption and supporting business activities.

 

example:

During the 2020 pandemic, many countries implemented economic stimulus measures, directly distributing funds to households and small and medium-sized enterprises.

As a result, economic stability was maintained despite the global economic shutdown.

 

Tight fiscal policy

When the economy overheats and inflation becomes excessive, governments may cut spending or raise taxes.

This helps to curb demand and prevent a rapid rise in prices.

 

example:

If inflation rises sharply to 8% and public debt remains high, policymakers may curb spending and implement fiscal tightening to restore balance to the economy.

 

Points for investors

While fiscal policy may boost markets in the short term, it could also increase concerns about debt growth and inflation in the long term.

Investors closely monitor fiscal announcements, and new budget proposals and stimulus measures often serve as signals indicating future market trends.

 

Monetary policy: The role of the central bank

While the government uses fiscal policy, the central bank controls the money supply, credit supply, and interest rates through monetary policy .

The goal is to support sustainable economic growth while maintaining price stability and healthy employment.

 

Interest rate adjustment

  • Lower interest rates stimulate borrowing, corporate investment, and personal consumption, leading to market revitalization.
  • When interest rates rise , borrowing costs increase, which slows consumption and helps to curb inflation.

 

The interest rate decisions of central banks such as the U.S. Federal Reserve ( FRB ) , the European Central Bank ( ECB ), and the Bank of England ( BOE ) have the power to instantly move global financial markets, including foreign exchange rates, bond yields, and stock prices.

 

Quantitative easing (QE)

If interest rates are already low, the central bank may purchase financial assets such as government bonds to supply funds to the market.

This process is called "quantitative easing (QE)," and it has the effect of lowering long-term interest rates and stimulating investment.

 

Points for investors

When monetary policy is accommodative, markets tend to rise, and when it shifts to tightening, they tend to fall.

Understanding the central bank's stance (also known as its "policy stance") allows investors to predict future interest rate trends and adjust their portfolios accordingly.

 

Inflation: A silent force lurking in every economy

Inflation is the rate at which the overall price level of goods and services rises over time.

Moderate inflation indicates healthy demand, but excessive inflation reduces purchasing power and destabilizes the economy.

 

Causes of inflation

  • Demand-driven inflation: This is a phenomenon where prices are pushed up because demand exceeds supply.

  • Cost-push inflation occurs when production costs such as wages and raw material costs rise, forcing companies to pass on these costs to consumers.

  • Money inflation: This is inflation that occurs when an excess of money circulates in the economy, causing the value of the currency to decline.

 

Points for investors

Inflation affects almost every asset class:

  • Stocks often perform well in moderate inflationary environments, and sectors with strong pricing power (such as energy and consumer staples) tend to be particularly strong.

  • Bonds tend to underperform when inflation rises because the real value of their fixed yield decreases.

  • Commodities and tangible assets tend to retain their value during periods of inflation and often function as an inflation hedge.

By closely monitoring inflation indicators, it becomes easier to predict interest rate fluctuations, which are one of the biggest drivers of the market.

 

Exchange rates and currency strength

Exchange rates (the ratio at which currencies are exchanged) are influenced by factors such as interest rates, inflation, trade balance, and investor sentiment.

A strong currency can make imports cheaper, but it can also reduce export competitiveness.

A weaker currency is advantageous for exporting companies, but it increases import costs.

 

Main factors

  • The higher the interest rate, the easier it is for capital to flow in from overseas, and the stronger the currency tends to become.

  • A trade surplus increases demand for the country's own currency.

  • Political stability and investor confidence also support a stronger currency.

 

Points for investors

For multinational corporations, exchange rate fluctuations have a significant impact on their profits.

For example, if the US dollar strengthens, US companies that generate sales overseas may see a decrease in profits when their foreign currency-denominated earnings are converted into dollars.

Furthermore, since many commodities are traded in US dollars, exchange rate fluctuations also affect commodity prices.

 

Unemployment rate and the health of the labor market

The labor market reflects how well the economy is functioning.

Strong employment leads to increased consumption and business growth, while high unemployment rates suggest slowing demand or structural problems.

 

Key indicators

  • Unemployment rate: This is the percentage of people who are willing to work and are looking for a job but are unable to find employment.

  • Labor force participation rate: This is the percentage of the working-age population that is employed or seeking employment.

  • Wage growth rate: While rising wages support demand, they can also accelerate inflation.

 

Points for investors

Central banks place importance on employment data as a factor in making decisions regarding monetary policy.

If employment growth is strong, interest rates may be raised to prevent the economy from overheating. Conversely, if employment is weak, interest rate cuts or economic stimulus measures may be considered.

Investors often view a healthy labor market as a sign of sustainable economic growth.

 

Trade balance and globalization

In today's interconnected world, international trade plays a crucial role in shaping economic performance.

The trade balance (exports minus imports) shows whether a country is selling or buying more from other countries.

 

Trade surplus and trade deficit

  • A trade surplus refers to a situation where exports exceed imports, which leads to a stronger currency and an increase in GDP.

  • A trade deficit is a situation where imports exceed exports, which can lead to currency depreciation and negative impacts on domestic industries.

 

Points for investors

Changes in the trade balance can move exchange rates and influence sector trends in the stock market.

Companies with a high export ratio tend to benefit from trade surpluses, while companies that rely on imports may be disadvantaged by widening deficits or increased tariffs.

 

Geopolitical factors

Political and international events can have just as much impact on the economy as economic indicators.

Events such as trade wars, elections, and conflicts have economic impacts that ripple through the entire market.

 

example:

  • Elections: Policy shifts can change investor expectations.

  • Wars and conflicts often drive up commodity prices, especially for crude oil.

  • Trade agreements and sanctions: These affect global supply chains and investor sentiment.


 

Points for investors

Geopolitical risks cannot be predicted solely from data, but they can be prepared for by diversifying portfolios and closely monitoring policy trends.

Countries with stable politics and well-established systems tend to experience currency appreciation and an influx of investment capital.

 

Business cycles and credit cycles

Economic activity follows a cycle of expansion, peaking, contraction, and recovery.

Understanding which phase of the economic cycle you are in allows you to appropriately adjust your investment strategy.

 

Expansion phase

  • GDP is growing, employment is increasing, and inflation is stable.

  • Stocks and risk assets are performing well.

 

peak

  • Growth slows, inflation rises, and the central bank tightens monetary policy.

  • Markets tend to become more cautious.

Contraction (economic recession)

  • GDP and consumption will decrease, and the unemployment rate will rise.

  • Defensive assets such as bonds and gold will perform relatively well.

 

Recovery phase

  • As economic growth resumes and confidence returns, markets will begin to recover.

 

Points for investors

At each stage of the business cycle, different investment opportunities are advantageous.

For example, cyclical stocks tend to lead the recovery in the early stages, while defensive sectors tend to perform well during recessions.

 

Government debt and fiscal stability

Government debt is not inherently bad; it enables investment in infrastructure, education, and innovation.

However, excessive debt can damage confidence, drive up borrowing costs, and threaten long-term growth.

 

Key indicators

  • Debt-to- GDP ratio: This ratio compares a country's debt to its annual economic size (GDP).

  • Fiscal deficit/surplus: This indicates whether the government is spending more than it is earning.

  • Credit rating: Rating agencies such as Moody's and S&P assess a country's credit risk.

Points for investors

High levels of debt can lead to currency depreciation and increased inflation risks.

Investors assess the long-term health of an economy through the sustainability of its debt.

 

Interrelationships of macroeconomic factors

Macroeconomic factors rarely operate in isolation.

One change often triggers adjustments in other factors.

 

example:

  • Rising inflation → Central bank raises interest rates → Currency appreciation → Exports decline

  • Fiscal stimulus → Increased GDP growth rate → Accelerated inflation → Subsequent monetary tightening

 

Understanding these relationships allows investors to anticipate chain reactions rather than being swayed by news.

 

Overall points

A deep understanding of macroeconomic factors provides investors with a strategic advantage.

You will be able to understand not only what is happening, but also "why it is happening."

Changes such as fiscal easing, rising inflation, and falling unemployment tell a story that influences interest rates, corporate profits, and asset valuations globally.

The most successful analysts don't memorize data; they connect patterns and think critically.

They understand that every policy decision and global event sends signals, and by correctly interpreting them, they can identify the location of the next opportunities and risks.

 

Lesson summary

  • Macroeconomic factors are major forces that drive the economy and markets as a whole, including fiscal policy, inflation, and trade.

  • Fiscal and monetary policies influence growth, liquidity, and investor confidence.

  • Inflation, employment, and exchange rates influence asset valuations and which sectors are performing well.

  • Understanding the interaction of these factors allows us to anticipate market trends and make smarter, long-term decisions.

In the next lesson, we will narrow our focus and learn about a company's financial statements, which form the basis of fundamental analysis.

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