Financial Economics
Summary
Financial economics examines how savings are mobilised, capital is allocated and risks are shared across households, firms and governments in modern economies. Central to the discipline are models of financial intermediation—including banking systems and securities markets—that channel funds into productive investment and facilitate risk management. Asset pricing theories integrate equilibrium concepts, information asymmetries and behavioural insights to explain valuation dynamics, credit cycles and policy-induced distortions. Empirical evidence highlights non-linear or threshold effects whereby excessive financial deepening can undermine growth, and showcases the recurrent emergence of bubbles in both real and monetary assets. The field informs the design of prudential regulation, central-bank balance-sheet policies and macroeconomic frameworks aimed at preserving stability while supporting efficient resource deployment.
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Financial Economics publication trend
The graph below shows the total number of articles in financial economics across all publications each year (not limited to Nature Index journals).
Technical terms
Asset price bubble: A situation in which market valuations substantially exceed underlying fundamental values, driven by speculative demand and self-reinforcing expectations.
Stochastic discount factor: A random variable used in asset-pricing models to convert uncertain future payoffs into present values, reflecting time preference and risk aversion.
Dynamic inefficiency: A condition in overlapping-generations models where the economy’s capital stock is excessive relative to consumption needs, implying welfare gains from reduced saving.
Arbitrage: The simultaneous purchase and sale of equivalent assets to exploit price discrepancies without net capital outlay.
Term structure: The relationship between interest rates (yields) and the maturities of debt securities, commonly depicted by the yield curve.
References
- Introduction.
- Bubble economics. Journal of Mathematical Economics (2024).
- Low safe interest rates: A case for dynamic inefficiency?. Review of Economic Dynamics (2023).
- Monetary Policy for a Bubbly World. The Review of Economic Studies (2020).
About these summaries
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