Figure 1

Figure 2

Probit Model: Determinants of the Lack of Trust
| Probit: No account because of lack of trust | ||
|---|---|---|
| Marginal Effect | Standard Error | |
| Age | 0.001*** | 0.000 |
| Female | −0.029*** | 0.004 |
| Education level | ||
| Secondary | 0.001 | 0.005 |
| Tertiary or more | −0.016 | 0.010 |
| Income quantile | ||
| Second 20% | −0.001 | 0.007 |
| Middle 20% | 0.004 | 0.007 |
| Fourth 20% | −0.002 | 0.007 |
| Richest 20% | 0.020*** | 0.007 |
| fin_literacy | 0.00038* | 0.000 |
| easy_lang | 0.005 | 0.005 |
| lang_div | −0.003 | 0.009 |
| Lgdp | 0.017*** | 0.002 |
| Inflation | −0.006*** | 0.000 |
| bank_zscore | 0.001*** | 0.000 |
| Number of observations | 35,150 | |
| Mean dependent variable | 0.213 | |
| Standard deviation of the dependent variable | 0.409 | |
| Pseudo R-squared | 0.013 | |
| Chi-square | 490.479 | |
| p-value | 0.000 | |
Instrumental Approach: Determinants of Financial Inclusion
| Access score | Use score | Probit: having an account | ||||
|---|---|---|---|---|---|---|
| Coefficient | Standard Error | Coefficient | Standard Error | Marginal | Standard Error | |
| Age | −0.012*** | 0.001 | 0.012*** | 0.000 | 0.006*** | 0.000 |
| Female | 0.487*** | 0.037 | 0.147*** | 0.015 | −0.155*** | 0.014 |
| Education level | ||||||
| Secondary | −1.067*** | 0.050 | −0.348*** | 0.020 | 0.284*** | 0.019 |
| Tertiary or more | −2.292*** | 0.063 | −0.867*** | 0.025 | 0.863*** | 0.028 |
| Income quantile | ||||||
| Second 20% | −0.367*** | 0.063 | −0.149*** | 0.025 | 0.091*** | 0.022 |
| Middle 20% | −0.651*** | 0.062 | −0.276*** | 0.025 | 0.170*** | 0.022 |
| Fourth 20% | −1.006*** | 0.061 | −0.380*** | 0.025 | 0.278*** | 0.023 |
| Richest 20% | −1.539*** | 0.061 | −0.561*** | 0.024 | 0.474*** | 0.024 |
| easy_lang | 0.724*** | 0.053 | −0.026 | 0.022 | −0.160*** | 0.019 |
| fin_literacy | −0.031*** | 0.002 | −0.034*** | 0.001 | 0.012*** | 0.001 |
| Lgdp | −0.526*** | 0.032 | −0.156*** | 0.013 | 0.265*** | 0.014 |
| Inflation | 0.081*** | 0.006 | −0.009*** | 0.002 | −0.019*** | 0.002 |
| bank_zscore | 0.047*** | 0.002 | 0.004*** | 0.001 | −0.012*** | 0.001 |
| bank_trust | −0.921*** | 0.052 | 0.093*** | 0.021 | 0.297*** | 0.014 |
| lang_div | −0.257*** | |||||
| First stage F statistic | 138.955 | |||||
| _cons | 12.288*** | 0.238 | 3.929*** | 0.095 | ||
| Number of observations | 41,455 | 41,455 | 41,455 | |||
| Hausman–Wu test: | p = 0,000 | p = 0,006 | Wald test: p = 0,000 | |||
| Weak instruments test: | p = 0,000 | p = 0,000 | ||||
Linear Regression: Country Level
| Percentage of people aged 15+ having an account at a formal institution | Mean access score | Mean use score | ||||
|---|---|---|---|---|---|---|
| Coefficient | Standard Error | Coefficient | Standard Error | Coefficient | Standard Error | |
| credit_info | 0.018*** | 0.005 | −0.100** | 0.046 | −0.003 | 0.018 |
| fin_literacy | 0.002* | 0.001 | −0.036*** | 0.011 | −0.026*** | 0.004 |
| lang_div | 0.068 | 0.476 | −0.059 | 0.399 | −0.096 | 0.156 |
| bank_zscore | −0.003* | 0.001 | 0.021* | 0.012 | −0.001 | 0.005 |
| Lgdp | 0.157*** | 0.015 | −1.029*** | 0.123 | −0.177*** | 0.048 |
| Inflation | 0.000 | 0.004 | 0.000 | 0.029 | −0.014 | 0.012 |
| easy_lang | −0.023 | 0.029 | 0.296 | 0.244 | 0.186** | 0.095 |
| _cons | −0.941*** | 0.110 | 13.51*** | 0.923 | 4.03*** | 0.360 |
| Number of observations | 120 | 120 | 120 | |||
| Mean dependent variable | 0.611 | 2.719 | 1.455 | |||
| Standard deviation of the dependent variable | 0.294 | 2.213 | 0.704 | |||
| R-squared | 0.79 | 0.74 | 0.58 | |||
| F-test | 60.05 | 45.26 | 24.65 | |||
| p-value | 0.000 | 0.000 | 0.000 | |||
| RESET test | 0.047 | 0.1356 | 0.0041 | |||
| Breusch–Pagan test | 0.0345 | 0.0272 | 0.2180 | |||
| Jarque–Bera test | 0.0646 | 0.923 | 0.7997 | |||
Variables and Data Sources
| Variable name | Indicator | Year | Data source |
|---|---|---|---|
| Access score | Measure of willingness to own one or many financial products. Lower values indicate higher willingness. | 2017 | Own calculations, Global Findex Database 2017 |
| Use score | Measure of willingness to use one or many financial products in the past 12 months. Lower values indicate higher willingness. | 2017 | |
| inclusion_inst | Percentage of population over the age of 15 having an account at a formal financial institution. | 2017 | Global Findex Database 2017 |
| fin_literacy | Percentage of adults who are financially literate. | 2015* | Klapper et al. (2015) |
| bank_trust | Percentage of adults who have a “great deal” or “quite a lot” of trust towards banks. | 2017–2020 | World Values Survey (wave 7) |
| credit_info | Index measures the availability and quality of credit information. Scores range from 0 to 8, with higher values indicating better access to information. | 2017 | World Bank |
| bank_zscore | Bank's Z-score; probability of country's banking system default. | 2017 | |
| Lgdp | Logarithm of gross domestic product per capita, current USD. | 2017 | |
| Iflation | Inflation rate, consumer prices (annual, %). | 2016** | |
| lang_div | Language diversity; probability of two people – randomly chosen from the population – to have different mother tongues. | 2017 | SIL |
| easy_lang | Binary variable; takes 1 if banks are required by law to provide parts of information in plain and/or local language and 0 in other cases. | 2017 | Financial Inclusion Consumer Protection Survey |
| Female | Binary variable; takes 1 if respondent is female and 0 if male. | 2017 | Global Findex Database 2017 |
| Age | Respondent's age. | 2017 | |
| Education level | Respondent's highest level of education; 1= completed primary or less, 2= secondary, 3 = completed tertiary or more. | 2017 | |
| Income quantile | Indicates the income quantile to which given respondent belongs. | 2017 |
Linear Regression: Individual Level—Model III and Model IV
| Access score | Use score | Probit: has an account at financial institution | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Model III | Model IV | Model III | Model IV | Model III | Model IV | |||||||
| Coefficent | Standard Error | Coefficent | Standard Error | Coefficent | Standard Error | Coefficent | Standard Error | Marginal Effect | Standard Error | Marginal Effect | Standard Error | |
| Age | −0.016*** | 0.000 | −0.014*** | 0.000 | 0.012*** | 0.000 | 0.012*** | 0.000 | 0.002*** | 0.000 | 0.002*** | 0.000 |
| Female | 0.434*** | 0.033 | 0.465*** | 0.034 | 0.151*** | 0.015 | 0.154*** | 0.015 | −0.042*** | 0.004 | −0.046*** | 0.004 |
| Education level | ||||||||||||
| Secondary | −1.341*** | 0.044 | −1.268*** | 0.044 | −0.358*** | 0.019 | −0.328*** | 0.019 | 0.132*** | 0.005 | 0.119*** | 0.005 |
| Tertiary or more | −2.411*** | 0.056 | −2.285*** | 0.056 | −0.924*** | 0.025 | −0.860*** | 0.025 | 0.279*** | 0.007 | 0.268*** | 0.006 |
| Income quantile | ||||||||||||
| Second 20% | −0.340*** | 0.057 | −0.405*** | 0.056 | −0.150*** | 0.025 | −0.150*** | 0.025 | 0.033*** | 0.007 | 0.034*** | 0.006 |
| Middle 20% | −0.707*** | 0.056 | −0.722*** | 0.056 | −0.268*** | 0.025 | −0.274*** | 0.025 | 0.061*** | 0.007 | 0.064*** | 0.006 |
| Fourth 20% | −1.057*** | 0.056 | −1.089*** | 0.055 | −0.360*** | 0.025 | −0.377*** | 0.024 | 0.094*** | 0.007 | 0.099*** | 0.006 |
| Richest 20% | −1.633*** | 0.055 | −1.676*** | 0.054 | −0.536*** | 0.024 | −0.557*** | 0.024 | 0.157*** | 0.006 | 0.162*** | 0.006 |
| bank_zscore | 0.036*** | 0.002 | 0.035*** | 0.002 | 0.003*** | 0.000 | 0.004*** | 0.001 | −0.008*** | 0.000 | −0.002*** | 0.000 |
| Lgdp | −1.289*** | 0.018 | −0.729*** | 0.026 | −0.425*** | 0.008 | −0.129*** | 0.012 | 0.155*** | 0.002 | 0.101*** | 0.003 |
| Inflation | −0.013*** | 0.004 | 0.016*** | 0.004 | −0.010*** | 0.002 | −0.002 | 0.002 | 0.003*** | 0.000 | 0.000 | 0.000 |
| fin literacy | −0.056*** | 0.002 | −0.033*** | 0.000 | 0.006*** | 0.000 | ||||||
| credit_info | −0.136*** | 0.010 | 0.021*** | 0.005 | 0.015*** | 0.001 | ||||||
| easy_lang | 0.304*** | 0.042 | 0.023 | 0.019 | −0.017*** | 0.005 | ||||||
| bank_trust | 0.074*** | 0.010 | 0.148*** | 0.010 | 0.009* | 0.005 | 0.034*** | 0.005 | −0.008*** | 0.001 | −0.013*** | 0.001 |
| _cons | 16.216*** | 0.168 | 13.502*** | 0.208 | 5.394*** | 0.075 | 3.883*** | 0.092 | ||||
| Number of observations | 41 455 | 41 455 | 41 455 | 41 455 | 41 455 | 41 455 | ||||||
| Adjusted R-squared | 0.2695 | 0.2850 | 0.1668 | 0.1942 | 0.2521 | 0.2682 | ||||||
| F-statistic or LR chi2 for probit | 1275.31 | 1102.48 | 691.25 | 667.06 | 13088 | 13923.93 | ||||||
Linear Regression: Individual Level—Model I and Model II
| Access score | Use score | Probit: has an account at financial institution | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Model I | Model II | Model I | Model II | Model I | Model II | |||||||
| Coefficent | Standard Error | Coefficent | Standard Error | Coefficent | Standard Error | Coefficent | Standard Error | Marginal Effect | Standard Error | Marginal Effect | Standard Error | |
| Age | −0.014*** | 0.000 | −0.013*** | 0.000 | 0.012*** | 0.000 | 0.012*** | 0.000 | 0.002*** | 0.000 | 0.002*** | 0.000 |
| Female | 0.474*** | 0.021 | 0.474*** | 0.021 | 0.181*** | 0.009 | 0.164*** | 0.009 | −0.045*** | 0.002 | −0.043*** | 0.002 |
| Education level | ||||||||||||
| Secondary | −1.637*** | 0.026 | −1.574*** | 0.026 | −0.295*** | 0.012 | −0.306*** | 0.012 | 0.157*** | 0.003 | 0.146*** | 0.003 |
| Tertiary or more | −2.603*** | 0.035 | −2.500*** | 0.035 | −0.903*** | 0.016 | −0.898*** | 0.016 | 0.312*** | 0.004 | 0.301*** | 0.004 |
| Income quantile | ||||||||||||
| Second 20% | −0.433*** | 0.035 | −0.426*** | 0.035 | −0.143*** | 0.016 | −0.142*** | 0.016 | 0.034*** | 0.004 | 0.034*** | 0.004 |
| Middle 20% | −0.681*** | 0.035 | −0.665*** | 0.035 | −0.227*** | 0.016 | −0.227*** | 0.016 | 0.056*** | 0.004 | 0.056*** | 0.004 |
| Fourth 20% | −1.001*** | 0.034 | −0.998*** | 0.034 | −0.325*** | 0.016 | −0.323*** | 0.015 | 0.090*** | 0.004 | 0.090*** | 0.004 |
| Richest 20% | −1.598*** | 0.034 | −1.578*** | 0.034 | −0.465*** | 0.015 | −0.464*** | 0.015 | 0.151*** | 0.004 | 0.149*** | 0.004 |
| bank_zscore | 0.031*** | 0.001 | 0.025*** | 0.001 | 0.006*** | 0.001 | 0.002*** | 0.000 | −0.002*** | 0.000 | −0.002*** | 0.000 |
| Lgdp | −1.006*** | 0.009 | −0.725*** | 0.012 | −0.296*** | 0.004 | −0.134*** | 0.005 | 0.123*** | 0.001 | 0.097*** | 0.001 |
| Inflation | −0.004* | 0.003 | 0.016*** | 0.003 | −0.017*** | 0.001 | −0.013*** | 0.001 | 0.002*** | 0.000 | 0.000*** | 0.000 |
| fin literacy | −0.041*** | 0.001 | −0.029*** | 0.000 | 0.005*** | 0.000 | ||||||
| credit_info | −0.067*** | 0.005 | 0.006*** | 0.002 | 0.007*** | 0.001 | ||||||
| easy_lang | 0.272*** | 0.026 | 0.128*** | 0.011 | −0.040*** | 0.003 | ||||||
| bank_trust | ||||||||||||
| _cons | 12.906*** | 0.083 | 12.905*** | 0.083 | 4.092*** | 0.037 | 3.633*** | 0.038 | ||||
| Number of observations | 110 660 | 106 021 | 110 660 | 106 021 | 110 660 | 106 021 | ||||||
| Adjusted R-squared | 0.2958 | 0.3110 | 0.1412 | 0.1845 | 0.2901 | 0.3071 | ||||||
| F-statistic or LR chi2 for probit | 4226.15 | 3418.81 | 1654.39 | 174.29 | 42084.85 | 42171.33 | ||||||
Financial Inclusion Scores Breakdown
| Variable name | Survey question |
|---|---|
| Access score | |
| fin3 | if has debit card: card in own name |
| fin7 | has credit card |
| fin24 | possibility of coming up with emergency funds |
| Account | has an account |
| Use score | |
| fin5 | used mobile phone or internet to access account at a financial institution |
| fin6 | used mobile phone or internet to check account balance |
| fin8 | if has credit card: used card in past 12 months |
| fin4 | if has debit card: used card in past 12 months |
| Borrowed | borrowed in the past year |
| Saved | saved in the past year |

