Banking market structure can impact how stable a country's economy is, especially in low-income countries. The study looked at how the concentration of banks, domestic credit levels, and cross-border asset holdings affect economic volatility. The researchers found that high market concentration can lead to more fluctuations in the economy. Also, when a country relies more on domestic credit, there tends to be more short-term volatility. Additionally, increased financial integration across borders can also lead to higher volatility in low-income countries.