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This study challenges the traditional view that financial structure has no bearing on a country's growth, showcasing that it is indeed linked to economic activity, especially at different GDP per capita levels. The research emphasizes the significance of the financial structure gap and its association with GDP per capita, even when considering the influence of banks and stock markets. It highlights the need to diversify sampling criteria beyond income to determine the optimal financial structure. Additionally, the study delves into issues of endogeneity, exploring how banks, stock markets, and economic development interact to impact GDP per capita growth rates. The findings offer insightful quantitative analyses and suggest avenues for future research.
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Comments on “Optimal Financial Structures and Development” by A. Demirguc-Kunt, E. Feyen, and R. Levine Norman Loayza June 2011
The contribution • In previous study, • financial structure NOT relevant for growth … for the average country
The contribution • In previous study, • financial structure is NOT relevant for growth … for the average country • In this study, • financial structure IS related with “economic activity” BUT differently for different levels of GDP per capita • financial structure GAP does matter, even controlling for banking and stock market
Comment 1: Endogeneity 1. Banks and stock markets lead to increase in GDP per capita … at different rates for different levels of development
Comment 1: Endogeneity 1. Banks and stock markets lead to increase in GDP per capita … at different rates for different levels of development 2. Economic development pushes the rise of banks and stock markets … at different rates for different levels of development
Comment 1: Endogeneity 1. Banks and stock markets lead to increase in GDP per capita … at different rates for different levels of development 2. Economic development pushes the rise of banks and stock markets … at different rates for different levels of development • Both are sensible… yet “sensitivity” analysis denotes causation in the first sense
Comment 2: Financial Structure Gap • The gap is estimated using OECD countries
Comment 2: Financial Structure Gap • The gap is estimated using OECD countries • It is only natural, then, that the regression fit of the financial structure ratio be better for richer countries
Comment 2: Financial Structure Gap • The gap is estimated using OECD countries • It is only natural, then, that the fit of the financial structure ratio be better for richer countries • Then, by construction, the FS gap is linked to GDP per capita
Comment 2: Financial Structure Gap • The gap is estimated using OECD countries • It is only natural, then, that the fit of the financial structure ratio be better for richer countries • Then, by construction, the FS gap is linked to GDP per capita • Need to use criteria other than income for choosing the sample to derive optimal financial structure
Question 1 • Why not growth? • “Economic activity” in the paper is represented by GDP per capita levels • In previous work, it had been the growth rate of GDP per capita • When using conditioning set, GDP per capita in 1980 is used as regressor. Still…
Question 2 • In the quantile regressions, why including only one regressor? • Both Private credit and Stock market value in the (first set of ) quantile regressions for GDP per capita
Comments on “Optimal Financial Structures and Development” by A. Demirguc-Kunt, E. Feyen, and R. Levine Norman Loayza June 2011