Details about Yusuf Toyin Yusuf

Access statistics for papers by Yusuf Toyin Yusuf.

Last updated 2026-11-10. Update your information in the RePEc Author Service.

Short-id: pyu406

Journal Articles

2025

1. INVESTIGATING THE ASYMMETRIC EFFECT OF EXCHANGE RATE ON DOMESTIC CREDIT VOLUMES: EVIDENCE FROM NIGERIA
   Ilorin Journal of Economic Policy, 2025, 12, (1), 60-78
2. Information and Communication Technology and Economic and Productivity Growth Nexus in Nigeria: An Evaluation of the Role Of Governance Quality
   Ilorin Journal of Economic Policy, 2025, 12, (2), 1-21

2022

3. Information and Communications Technology and the Level of Income in Africa
   Management & Economics Research Journal, 2022, 4, (1), 101-128

Software Items

2026

1. FMVARDLURT: Stata module to provide Fourier multivariate ARDL unit-root and cointegration test with any number of covariates and bootstrap critical values
   Statistical Software Components, Boston College Department of Economics
2. HDHETTEST: Stata module to compute heteroskedasticity tests with exact Monte Carlo p-values for linear regressions with many regressors
   Statistical Software Components, Boston College Department of Economics
3. IDXNL: Stata module to provide nonlinear and interactive modelling with index covariates
   Statistical Software Components, Boston College Department of Economics
4. MVARDLURT_MULTIVARIATE: Stata module to implement the multivariate ARDL unit root test proposed by Sam, McNown, Goh and Goh
   Statistical Software Components, Boston College Department of Economics
5. POLYCOPULA: Stata module to compute Copula-based association for ordinal variables: Gaussian (polychoric), Frank, Clayton and Gumbel
   Statistical Software Components, Boston College Department of Economics
6. POLYCORR: Stata module to compute polychoric, polyserial and Pearson correlations with a joint covariance matrix, bivariate-normality diagnostics and positive-definite repair
   Statistical Software Components, Boston College Department of Economics
7. POLYPML: Stata module to perform Joint estimation of polychoric correlations and thresholds with missing data: pairwise maximum likelihood or full-information maximum likelihood
   Statistical Software Components, Boston College Department of Economics
8. POLYREG: Stata module to perform-regression on a polychoric index with bootstrap inference that accounts for the estimated index (generated-regressor correction)
   Statistical Software Components, Boston College Department of Economics
9. POLYSEM: Stata module to perform confirmatory factor analysis of ordinal indicators by diagonally weighted least squares on polychoric correlations
   Statistical Software Components, Boston College Department of Economics
10. POLYTEST: Stata module to provide tests of the latent-normality assumption behind tetrachoric, polychoric and polyserial correlations
    Statistical Software Components, Boston College Department of Economics
11. TSROBDIAG: Stata module to compute Normality and parameter-stability tests for serially correlated time series
    Statistical Software Components, Boston College Department of Economics
12. XTCSDDIAG: Stata module to compute residual diagnostics for heterogeneous panels with cross-sectional dependence: serial correlation, heteroskedasticity, normality and parameter stability
    Statistical Software Components, Boston College Department of Economics
13. XTMVARDLURT_MULTIVARIATE: Stata module to perform panel multivariate ARDL unit root and cointegration test with cross-sectional dependence testing
    Statistical Software Components, Boston College Department of Economics
14. XTUTEST: Stata module to test for an inverse U-shaped (or U-shaped) relationship and estimate its turning point in heterogeneous panels with cross-sectional dependence
    Statistical Software Components, Boston College Department of Economics