Related Experiment Video
Updated: Sep 23, 2025
11:51
Combining Behavioral Endocrinology and Experimental Economics: Testosterone and Social Decision Making
Published on: March 2, 2011
15.2K
Scale effects on efficiency and profitability in the Swiss banking sector
Marc Blatter1, Andreas Fuster2
1Swiss National Bank, Börsenstrasse 15, 8022 Zurich, Switzerland.
Swiss Journal of Economics and Statistics
|May 16, 2022
Summary
Most Swiss banks become more efficient and profitable as they grow larger, indicating significant scale economies. This trend has accelerated since 2010, though the largest banks show diminishing returns.
Area of Science:
- Banking and Finance
- Econometrics
- Financial Markets
Background:
- The Swiss banking sector's efficiency and profitability dynamics are crucial for economic stability.
- Understanding the impact of bank size on financial performance is a key area of research.
Purpose of the Study:
- To analyze the relationship between bank size, efficiency, and profitability in Switzerland from 1997-2019.
- To investigate the causal effect of bank size on financial performance.
- To examine changes in scale economies over time and differences among bank types.
Main Methods:
- Econometric analysis of bank-level data from 1997-2019.
- Application of an instrumental variables strategy for causal inference.
- Comparative analysis of efficiency and profitability across different bank sizes and time periods.
Main Results:
- Strong evidence of scale economies: larger banks generally exhibit higher efficiency and profitability.
- The positive effect of size on performance is likely causal.
- Scale economies have become more pronounced since 2010.
- Systemically important banks show lower efficiency and profitability, linked to their business models.
- Good capitalization is compatible with high efficiency and profitability.
Conclusions:
- Bank size is a significant determinant of efficiency and profitability in the Swiss banking sector.
- Policy and strategic decisions should consider the implications of scale economies.
- The performance of systemically important banks warrants further investigation into their specific business models.
Related Concept Videos
01:01Production Efficiency
17.1K
Net production efficiency (NPE) is the efficiency at which organisms assimilate energy into biomass for the next trophic level. Due to low metabolic rates and less energy spent on thermoregulatory processes, the NPE of ectotherms (cold-blooded animals) is 10 times higher than endotherms (warm-blooded animals).
17.1K
01:19Testing a Claim about Standard Deviation
2.5K
A complete procedure to test a claim about population standard deviation or population variance is explained here.
The hypothesis testing for the claim of population standard deviation (or variance) requires the data and samples to be random and unbiased. The population distribution also must be normal. There is no specific requirement on the sample size as the estimation is based on the chi-square distribution.
As a first step, the hypothesis (null and alternative) concerning the claim about...
The hypothesis testing for the claim of population standard deviation (or variance) requires the data and samples to be random and unbiased. The population distribution also must be normal. There is no specific requirement on the sample size as the estimation is based on the chi-square distribution.
As a first step, the hypothesis (null and alternative) concerning the claim about...
2.5K
01:12Column Efficiency: Rate Theory
556
The rate theory of chromatography provides quantitative insight into the shapes and widths of elution bands. These bands are based on the random-walk mechanism governing molecular migration within a column. The Gaussian profile of chromatographic bands arises from the cumulative effect of random molecular motions as they progress through the column.
During elution, a solute molecule experiences numerous transitions between stationary and mobile phases, exhibiting irregular residence times in...
During elution, a solute molecule experiences numerous transitions between stationary and mobile phases, exhibiting irregular residence times in...
556
01:30Typical Model Studies
449
Fluid mechanics model studies often utilize scaled-down systems to predict fluid behavior in full-scale environments, such as river flows, dam spillways, and structures interacting with open surfaces. Maintaining Froude number similarity in river models is crucial, as it replicates surface flow features like wave patterns and velocities.
449
01:20Actuarial Approach
140
The actuarial approach, a statistical method originally developed for life insurance risk assessment, is widely used to calculate survival rates in clinical and population studies. This method accounts for participants lost to follow-up or those who die from causes unrelated to the study, ensuring a more accurate representation of survival probabilities.
Consider the example of a high-risk surgical procedure with significant early-stage mortality. A two-year clinical study is conducted,...
Consider the example of a high-risk surgical procedure with significant early-stage mortality. A two-year clinical study is conducted,...
140
01:21Design Example: Creating a Hydraulic Model of a Dam Spillway
343
Scaled hydraulic models of dam spillways provide a practical way to replicate and study the intricate flow dynamics of these structures. Often built to a 1:15 ratio, these models allow for observing critical water behavior, such as velocity distribution, flow patterns, and energy dissipation.
343