Asset Price Dynamics and Economic Policy
Summary
Asset price dynamics capture the fluctuations in valuations of financial and real assets over time, shaped by fundamentals such as cash flows and by behaviour-driven phenomena like bubbles. Economic policy—monetary, fiscal and regulatory—seeks to influence these dynamics to promote stability, efficient allocation of resources and sustainable growth. Central banks adjust interest rates and purchase assets to manage liquidity and anchor expectations, while fiscal authorities deploy taxation and spending to modulate demand and asset scarcity. Regulatory bodies intervene to curb excessive leverage and misallocation of credit, aiming to prevent destabilising boom-and-bust cycles. Recent empirical and theoretical advances highlight the interplay between financial frictions, investor psychology and policy interventions, revealing that asset price bubbles may both foster investment in productive capital and impose systemic risks. Understanding these mechanisms is essential for designing policy frameworks that harness the benefits of asset markets while mitigating the costs of instability on households and the broader economy.
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Asset Price Dynamics and Economic Policy publication trend
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Technical terms
Asset price bubble: A situation where an asset’s market price significantly exceeds its fundamental value, often driven by speculative demand and investor expectations rather than underlying cash flows.
Financial frictions: Imperfections in financial markets—such as borrowing constraints or transaction costs—that impede efficient allocation of capital and affect asset valuations.
Stochastic discount factor: A variable used in asset-pricing models to discount future payoffs, reflecting time preferences, risk aversion and macroeconomic uncertainty.
Dynamic inefficiency: A condition in which an economy’s capital stock is so large relative to its consumption needs that reducing savings could increase welfare, indicating overaccumulation of assets.
References
- Monetary Policy for a Bubbly World. The Review of Economic Studies (2020).
- Bubble economics. Journal of Mathematical Economics (2024).
- Low safe interest rates: A case for dynamic inefficiency?. Review of Economic Dynamics (2023).
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