The Monetary Policy Transmission Mechanism (How Central Banks Move the Economy)
The Monetary Policy Transmission Mechanism How Central Banks Move the Economy
The Monetary Policy Transmission Mechanism
The monetary policy transmission refers to the process through which changes in a central bank's policy rate influence the broader economy, particularly through its effects on financial conditions, economic activity, and inflation.
The Central Bank's Policy Rate
The Central Bank’s policy rate (is known as Bank Rate) in England is the rate that the Bank of England (BoE) determines for the interest paid to commercial banks that hold money within the BoE.
For the Federal Reserve, the central bank policy rate is known as the Federal Funds Rate. This is the interest rate at which depository institutions (such as banks and credit unions) lend reserve balances to other depository institutions overnight.
Channels:
The Interest Rate Channel
The interest rate channel is one of the direct ways in which changes in the central bank's policy rate influence the broader economy, particularly through "intertemporal substitution" and "cash-flow effects"
Intertemporal Substitution Channel:
Changes in real interest rates (adjusted for inflation expectations) affect the timing of consumption. Higher interest rates increase the cost of borrowing and incentivize saving, leading households to reduce current consumption in favor of future consumption.
This channel's strength depends on the "elasticity of intertemporal substitution" which measures how willing households are to adjust their consumption timing in response to interest rate changes.
Cash-Flow Channel:
Changes in interest rates also impact the cash flows of households and firms. Higher rates increase payments for debt holders.Across households and firms, the size and sign of cash flow effects depend on whether these are in net borrowing or net saving positions, the relative exposure to variable rate versus fixed rate debt , and the degree to which financial constraints are binding. While at the euro area level around 70 per cent of outstanding loans to households are at a fixed interest rate, this share is as high as around 90 per cent in France and Germany and as low as 25 per cent in Spain and Italy.
The cash-flow channel is more potent when debt levels are high, as households with higher debt levels are more sensitive to changes in interest rates.
References1
The Investment Channel
The investment channel of monetary policy affects economic activity by influencing the cost of borrowing, known as the "cost of capital." When the Policy rate rises, borrowing becomes more expensive, making investment less attractive, which reduces economic activity. While long-term rates are crucial for long-term investments, short-term rates also impact the timing of investments. The effectiveness of this channel may vary depending on the economic state, with a stronger impact during recessions.
References2
The Wealth Channel
The wealth channel of monetary policy operates through changes in interest rates that affect asset prices, subsequently influencing household wealth and consumption. There are two key components: financial wealth (e.g., stocks and bonds) and housing wealth. A rise in interest rates typically reduces asset prices, decreasing household wealth and consumption. Financial wealth is more liquid, allowing easier conversion to consumption, while housing wealth, though less liquid, can serve as collateral for borrowing.
References3
The Exchange Rate Channel
The exchange rate channel affects the domestic economy through changes in the value of the currency. When the central bank raises interest rates, it makes domestic currency more attractive to foreign investors, leading to an appreciation of the currency. This appreciation makes exports more expensive and imports cheaper, reducing demand for domestically produced goods and services, thus slowing aggregate demand and economic output. Additionally, changes in the exchange rate can directly affect inflation by altering the price of imported goods.
References4
The Credit Channel
The credit channel of monetary policy operates through its impact on credit conditions, primarily affecting banks and other financial institutions. The bank lending channel focuses on how monetary policy influences the supply of bank loans, as tighter policy reduces banks' profitability and capital, leading to decreased lending. As a more bank-based system, the euro area might entail a more delayed reaction through the interest rate channel, as compared to countries where firms finance themselves predominantly with market-based debt.
References5
The Monetary Policy Transmission Mechanism Channels
This illustration visually summarizes the Monetary Policy Transmission Mechanism, emphasizing the central role of the "Policy Rate".
Interest Rate: Changes in the bank rate affect the cost of borrowing and saving, influencing consumer and business spending.
Investments: Higher or lower interest rates impact investment decisions by businesses and households.
Wealth: The bank rate can affect asset prices, such as stocks and housing, which in turn influences consumer wealth and spending.
Credits: The availability and cost of credit are influenced by changes in the bank rate, affecting borrowing and lending behavior.
Exchange Rate: Adjustments in the bank rate can lead to changes in the currency exchange rate, affecting exports, imports, and overall economic activity.
These channels together illustrate how the central bank's decisions on interest rates ripple through the economy, impacting various aspects of financial and economic conditions.
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)References
Havranek, T., Horvath, R., Irsova, Z., & Rusnak, M. (2015). “Cross-Country Heterogeneity in Intertemporal Substitution”. Journal of International Economics, 96(1), 100–118. Link
Best, M., Cloyne, J., Ilzetzki, E., & Kleven, H. (2020). “Estimating the Elasticity of Intertemporal Substitution Using Mortgage Notches”. The Review of Economic Studies, 87(2), 656–690. Link
Anjum, G., & Herler, R. (2023). "How are Households Adjusting to Rising Mortgage Costs?". Bank Overground. Link
Panigrahi, A., et al. (2018). “The Financial Position of British Households: Evidence from the 2018 NMG Consulting Survey”. Bank of England Quarterly Bulletin, 2018 Q1. Link
Auclert, A. (2019). “Monetary Policy and the Redistribution Channel”. American Economic Review, 109(6), 2333-2367. Link
Floden, M., et al. (2021). “The Impact of Higher Interest Rates on UK Firms”. Journal of Economic Dynamics and Control, 130, 103879. Link
Jordà, Ò., et al. (2020). “Why Higher House Prices Could Lead to Higher Mortgage Rates”. The Economic Journal, 131(636), 1742-1770. Link
Kim, S., & Lim, J. (2020). “The Effects of Monetary Policy on Output and Prices in UK Firms”. Journal of International Economics, 103, 103852. Link
Joseph, A., et al. (2019). “All You Need is Cash: Corporate Finance, Cash Holdings, and Investment”. Bank of England Working Paper. Link
Bora, B., et al. (2024). “Identifying Barriers to Productive Investment and External Finance: A Survey of UK SMEs”. Bank of England Quarterly Bulletin. Link
Cumming, D., & Walker, T. (2023). “Why Lower House Prices Could Lead to Higher Mortgage Rates”. Bank Underground. Link
Reinold, K. (2011). “Housing Equity Withdrawal since the Financial Crisis”. Bank of England Quarterly Bulletin, 2011 Q2. Link
Bahaj, S., et al. (2020). “Impact of Higher Interest Rates on UK Firms”. VoxEU CEPR. Link
Shah, K., et al. (2024). “Accounting for Imported and Domestically Generated Inflation”. VoxEU CEPR. Link
Sterk, V., & Tenreyro, S. (2018). “The Transmission of Monetary Policy through Redistributions and Durable Purchases.” American Economic Review, 108(6), 1760-1804.
Choi, S., & others. (2024). “The Impact of Monetary Policy on Investment: Evidence from the UK.” Journal of Economic Dynamics and Control.
Cloyne, J., & others. (2018). “The Impact of Interest Rates on UK Firm Investment.” Journal of Monetary Economics, 97, 101-115.
Bahaj, S., & others. (2020). “Monetary Policy and Firm Investment in the UK.” VoxEU.
Shah, K., & others. (2024). “The Impact of Monetary Policy on Small and Medium-sized Enterprises in the UK.” Bank of England Quarterly Bulletin.
ONS (2022). Total Wealth in Great Britain.
Slacalek, J. (2009). Wealth Effects on Consumption. Link
Benito, A., et al. (2006). Housing Equity Withdrawal in the UK. Bank of England Quarterly Bulletin.
Buiter, W.H. (2010). Housing Wealth and Consumption. Link
Bahaj, S., et al. (2020). Housing Wealth and Firm Investment. VoxEU.
Forbes, K., Hjortsoe, I., & Nenova, T. (2018). The Transmission of Exchange Rate Changes to Inflation in the UK. Journal of International Economics. Link
Taylor, J.B. (2000). Low Inflation, Pass-Through, and the Pricing Power of Firms. European Economic Review. Link
Hjortsoe, I., & Lewis, J. (2020). Non-linearities, Asymmetries, and Dollar-Currency Pricing in Exchange Rate Pass-Through. Bank of England Working Paper
Bernanke, B. S., & Gertler, M. (1995). "Inside the Black Box: The Credit Channel of Monetary Policy Transmission." Journal of Economic Perspectives, 9(4), 27-48. Link
Van den Heuvel, S. J. (2007). "The Bank Capital Channel of Monetary Policy." Link
Disyatat, P. (2011). "The Bank Lending Channel Revisited." Link
Jiménez, G., et al. (2012). "Credit Supply and Monetary Policy: Identifying the Bank Balance-Sheet Channel with Loan Applications." American Economic Review, 102(5), 2301-2326. Link
Bernanke, B. S., Gertler, M., & Gilchrist, S. (1999). "The Financial Accelerator in a Quantitative Business Cycle Framework." Handbook of Macroeconomics, 1, 1341-1393. Link
Bahaj, S., et al. (2020). "Housing Collateral and Small Business Investment." VoxEU. Link
Kashyap, A. K., Lamont, O. A., & Stein, J. C. (1994). "Credit Conditions and the Cyclical Behavior of Inventories." The Quarterly Journal of Economics, 109(3), 565-592. Link