2013年-世界发展银行全球_Solow_in_Transition___Macro_and_Micro_Determinants_of_Savings_in_Armenia_30页_769kb

Summary of "Solow in Transition: Macro and Micro Determinants of Savings in Armenia"

Core Content

This working paper investigates the macroeconomic and microeconomic determinants of savings in Armenia, aiming to reconcile macroeconomic data with micro-level household behavior and explore policy implications for sustainable growth.

Main Questions and Objectives

• How do macroeconomic factors influence the savings rate in Armenia?
• What are the microeconomic determinants of household savings?
• What policy areas should be prioritized to enhance domestic savings and support long-term growth?

Key Findings

Macro Determinants of Savings Rate

• GDP per capita: A 10% increase in GDP per capita leads to a 3.7 percentage point increase in the savings rate in the long run.
• Real Exchange Rate (REER): A 10% increase in REER leads to a 3.7 percentage point decrease in the savings rate. This is attributed to reduced net exports and aggregate output.
• Time Deposit Rate (TDR): A 1 percentage point increase in TDR leads to a 0.02 percentage point increase in the savings rate. The substitution effect dominates the income effect.
• Openness: There is a strong positive correlation between openness and the savings rate in the short run, likely due to increased net exports and aggregate output.
• Crisis Impact: The dummy variable for the 2009 crisis shows a significant negative impact on savings, suggesting that the crisis disrupted the long-run equilibrium.

Micro Determinants of Savings Rate

• Income and Future Income: Households with higher income and more stable future income tend to save more.
• Education and Employment: Higher education and more stable employment types are associated with increased savings.
• Access to Borrowing and Remittances: Households with better access to borrowing or higher remittances tend to save less, possibly due to reduced need for precautionary savings.
• Volatility of Income and Financial Returns: Volatility in income and financial returns on potential investments negatively affects savings.
• Household Characteristics: Characteristics such as household size and location (urban vs. rural) also influence savings behavior.
• Savings Rate Trends: The savings rate has increased over time, even though average household income and consumption have not followed the same trajectory. This suggests a rise in savings intensity rather than just income levels.

Methodology

• Macroeconomic Analysis: Utilizes quarterly macroeconomic data from 2002 to 2011, applying long-term co-integration and short-term error correction models.
• Microeconomic Analysis: Uses data from the Armenian Integrated Living Conditions Survey (ILCS) across 2004, 2006, 2008, and 2010, employing linear multivariate models to assess the determinants of household savings.

Policy Implications

The paper identifies three key policy areas for enhancing savings in Armenia:

1. Macroeconomic Environment: Policies should aim to stabilize the economy and reduce the volatility of macroeconomic variables such as GDP and exchange rates.
2. Financial Sector Development: Strengthening the financial sector can improve access to savings instruments and encourage more formal saving behavior.
3. Role of Remittances: While remittances are a significant source of savings, their volatility poses risks to long-term growth. Policies should seek to diversify the sources of savings and reduce reliance on remittances.

Data and Analysis

• Stationarity Tests: Most variables are found to be integrated of order one (I(1)), with co-integration confirmed using Dickey-Fuller and Phillips-Perron tests.
• Error Correction Model (ECM): The short-run relationship is modeled using an ECM, showing a strong catch-up process to long-run equilibrium. The coefficient of the lagged ECM term is -0.94, indicating a rapid return to equilibrium.
• Descriptive Statistics: The savings rate increased from 8.45% in 2004 to 17.2% in 2010, despite fluctuations in income and consumption.

Conclusion

The study highlights the importance of both macroeconomic and microeconomic factors in determining savings behavior in Armenia. It suggests that while macroeconomic stability and growth are crucial for increasing savings, household characteristics such as education, employment, and access to financial instruments also play a significant role. The paper emphasizes the need for policies that promote economic diversification, improve firm productivity, and enhance the financial sector to ensure sustainable growth and a more resilient savings behavior.