Skip to main content
Have a personal or library account? Click to login
Sample Size Matters: A Comparative Analysis of the I.I.D. Assumption and Risk-Return Estimations in Latin American and US Stock Markets Cover

Sample Size Matters: A Comparative Analysis of the I.I.D. Assumption and Risk-Return Estimations in Latin American and US Stock Markets

Open Access
|May 2026

References

  1. Ahmed, S., Bu, Z., Symeonidis, L., & Tsvetanov, D. (2023). Which factor model? A systematic return covariation perspective. Journal of International Money and Finance, 136, 102865. https://doi.org/10.1016/j.jimonfin.2023.102865
  2. Andreu, J. & Torra, S. (2009). Optimal market indices using value at-risk: a first empirical approach for three stock markets, Applied Financial Economics, 19(14), 1163-1170, https://doi.org/10.1080/09603100802360024
  3. Azher, S. & Iqbal, J. (2018). Testing Conditional Asset Pricing in Pakistan: The Role of Value-at-Risk and Illiquidity Factors. Journal of Emerging Market Finance, 17(2_suppl), S259-S281.
  4. Azimli, A. (2024). Time-varying spillovers in high-order moments among cryptocurrencies. Financial Innovation, 10(96). https://doi.org/10.1186/s40854-024-00612-8
  5. Bali, T.G., Mo, H., & Tang, Yi. (2008). The role of autoregressive conditional skewness and kurtosis in the estimation of conditional VaR. Journal of Banking & Finance, 32, 269-282.
  6. Bao, Y., & Ullah, A. (2006). Moments of the estimated Sharpe ratio when the observations are not IID. Finance Research Letters, 3(1), 49-56. https://doi.org/10.1016/j.frl.2005.11.001
  7. Barendse, S., Kole, E., & van Dijk, D. (2023). Backtesting Value-at-Risk and Expected Shortfall in the Presence of Estimation Error. Journal of Financial Econometrics, 21(2), 528-568. https://doi.org/10.1093/jjfinec/nbab008
  8. Božović, M. (2022). A common pattern across asset pricing anomalies. Finance Research Letters, 48, 103004. https://doi.org/10.1016/j.frl.2022.103004
  9. Chae, J. & Lee, E.J. (2018). Distribution uncertainty and expected stock returns. Finance Research Letters, 25, 55-61.
  10. Clark, E., & Kassimatis, K. (2011). An alternative measure of the “world market portfolio”: Determinants, efficiency, and information content. Journal of International Money and Finance, 30(5), 724-748.
  11. Cont, R. (2001). Empirical properties of asset returns: stylized facts and statistical issues. Quantitative Finance, 1(2), 223-236.
  12. Dai, Y., & Harris, R. D. (2023). Average tail risk and aggregate stock returns. Journal of International Financial Markets, Institutions and Money, 82, 101699. https://doi.org/10.1016/j.intfin.2022.101699
  13. Damodaran, A. (2025)., Country Risk: Determinants, Measures and Implications -The 2025 Edition. Available at SSRN: https://ssrn.com/abstract=5354459 or http://dx.doi.org/10.2139/ssrn.5354459
  14. De Athayde, G. M., & Flôres, R. G. (2003). Incorporating skewness and kurtosis in portfolio optimization: A multidimensional efficient set. In Advances in portfolio construction and implementation (pp. 243-257). Butterworth-Heinemann.
  15. Ding, R. (2023). f-Betas and portfolio optimization with f-divergence induced risk measures, Quantitative Finance, 23(10), 1483-1496. https://doi.org/10.1080/14697688.2023.2230629
  16. Dutta, S., & Kanti, T. (2023). Modeling Long Term Return Distribution and Nonparametric Market Risk Estimation. Sankhya B, 1-33.
  17. Eom, C., Eom, Y., & Park, J. W. (2023). Left-tail momentum and tail properties of return distributions: A case of Korea. International Review of Financial Analysis, 87, 102570. https://doi.org/10.1016/j.irfa.2023.102570
  18. Estrada, J. (2002). Systematic risk in emerging markets: The D-CAPM. Emerging Markets Review, 3(4), 365-379. https://doi.org/10.1016/S1566-0141(02)00042-0
  19. Fama, E. F. (1970). Efficient Capital Markets: A Review of Theory and Empirical Work. The Journal of Finance, 25(2), 383–417. https://doi.org/10.2307/2325486
  20. Fama, E. F., & French, K. R. (1992). The cross-section of expected stock returns. The Journal of Finance, 47(2), 427-465. https://doi.org/10.2307/2329112
  21. Fama, E., & French, K. (1993). Common risk factors in the returns on stocks and bonds. Journal of financial economics, 33(1), 3-56.
  22. Fama, E. F., & French, K. R. (2015). A five-factor asset pricing model. Journal of Financial Economics, 116(1), 1-22. https://doi.org/10.1016/j.jfineco.2014.10.010
  23. Fu, J., Zhang, X., Zhou, W., & Lyu, Y. (2024). A continuous heterogeneous agent model for multi-asset pricing and portfolio construction under market matching friction. International Review of Economics & Finance, 89, 267-283. https://doi.org/10.1016/j.iref.2023.07.049
  24. Harvey, C., Liu, Y., & Zhu, H. (2016). … and the cross-section of expected returns. The Review of Financial Studies, 29(1), 5-68.
  25. Hassani, H., & Yeganegi, M. R. (2019). Sum of squared ACF and the Ljung–Box statistics. Physica A: Statistical Mechanics and its Applications, 520, 81-86. https://doi.org/10.1016/j.physa.2018.12.028
  26. Jondeau, E., Zhang, Q., & Zhu, X. (2019). Average skewness matters. Journal of Financial Economics, 134(1), 29-47. https://doi.org/10.1016/j.jfineco.2019.03.003
  27. Komsta, L., & Novomestky, F. (2015). Moments, cumulants, skewness, kurtosis and related tests. R package version, 14(1). https://CRAN.R-project.org/package=moments
  28. Lin, C.H., Changchien, C.C., Kao, T.C., & Kao, W.S. (2014). High-order moments and extreme value approach for value-at-risk. Journal of Empirical Finance, 29, 421-434. http://dx.doi.org/10.1016/j.jempfin.2014.10.001
  29. Lintner, J. (1965). Security prices, risk, and maximal gains from diversification. The Journal of Finance, 20(4), 587-615.
  30. Lintner, J. (1965). The Valuation of Risky Assets and the Selection of Risky Investments in Stock Portfolios and Capital Budgets. Review of Economics and Statistics, 13–37.
  31. Ljung, G. M. & Box, G. E. P. (1978), On a measure of lack of fit in time series models. Biometrika, 65, 297--303. 10.2307/2335207
  32. Markowitz, H. (1952). Portfolio selection. Journal of Finance, 7(1), 77–91.
  33. Markowitz, H. (1959). Portfolio Selection: Efficient Diversification of Investments. Yale University Press.
  34. Markowitz, H. (2019). From Portfolio Theory to Practice: An AQR interview with Harry Markowitz. AQR Capital Management.
  35. Mestre, R. (2023). Stock profiling using time–frequency-varying systematic risk measure. Financial Innovation, 9(1), 9-52. https://doi.org/10.1186/s40854-023-00457-7
  36. Min, L., Liu, D., Huang, X., & Dong, J. (2022). Worst-case Mean-VaR Portfolio Optimization with Higher-Order Moments. Engineering Letters, 30(1).
  37. Molero-González, L., Trinidad-Segovia, J. E., Sánchez-Granero, M. A., & García-Medina, A. (2023). Market Beta is not dead: An approach from Random Matrix Theory. Finance Research Letters, 103816. https://doi.org/10.1016/j.frl.2023.103816
  38. Morgan Stanley Capital International website (2026). MSCI Market Classification, available online at https://www.msci.com/indexes/index-resources/market-classification
  39. Mossin, J. (1966). Equilibrium in a capital asset market. Econometrica. Journal of the econometric society, 768-783.
  40. Mossin, J. (1966). Theory of Financial Markets. Englewood Cliffs: Prentice Hall.
  41. Muriel, N. (2025). Weighted portmanteau statistics for testing for zero autocorrelation in dependent data. Journal of Applied Statistics, 1-19. https://doi.org/10.1080/02664763.2024.2449413
  42. Ng, S., & Perron, P. (2001). Lag Length Selection and the Construction of Unit Root Tests with Good Size and Power. Econometrica, 69(6), 1519–1554. http://www.jstor.org/stable/2692266
  43. Pekar, J., & Pcolar, M. (2022). Empirical distribution of daily stock returns of selected developing and emerging markets with application to financial risk management. Central European Journal of Operations Research, 30, 699-731. https://doi.org/10.1007/s10100-021-00771-4
  44. Pham, C., & Phuoc, L. (2020). Is estimating the capital asset pricing model using monthly and short-horizon data a good choice? Heliyon, 6(7), 1-14. https://doi.org/10.1016/j.heliyon.2020.e04339
  45. Ross, S. (1976). The arbitrage theory of capital asset pricing. Journal of Economic Theory, 13, 341–360.
  46. R Core Team (2023). R: A language and environment for statistical computing. R Foundation for Statistical Computing, Vienna, Austria. https://www.R-project.org/.
  47. Said, S. & Dickey, D. (1984). Testing for Unit Roots in Autoregressive Moving-Average Models with Unknown Order. Biometrika, 71(3), pp. 599-607. https://www.jstor.org/stable/2336570
  48. Schwert, G. W. (1989): “Tests for Unit Roots: A Monte Carlo Investigation,” Journal of Business and Economic Statistics, 7, 147-160.
  49. Schuster, M., & Auer, B. R. (2012). A note on empirical Sharpe ratio dynamics. Economics letters, 116(1), 124-128. https://doi.org/10.1016/j.econlet.2012.02.005
  50. Sharpe, W. (1964). Capital asset prices: A theory of market equilibrium under conditions of risk. The Journal of Finance, 19(3), 425-442.
  51. Treynor, J.L. (1962). Towards a Theory of Market Value of Risky Assets. Unpublished manuscript, A final version was published in 1999 in Asset Pricing and Portfolio Performance, ed. Robert A. Korajczyk, 99: 15–22. London: Risk Books
  52. Tsay, R. S. (2010). Analysis of financial time series. Wiley Series in Probability and Statistics, Hoboken, New Jersey, 3rd edition.
  53. Vassalou, M. (2000). Exchange rate and foreign inflation risk premiums in global equity returns. Journal of International Money and Finance, 19, 433–470
  54. Wickham, H. (2016). ggplot2: Elegant Graphics for Data Analysis. Springer-Verlag New York.
  55. Wuertz, D. Setz, T. & Chalabi, Y. (2022). fUnitRoots: Rmetrics - Modelling Trends and Unit Roots_. R package version 4021.80, https://CRAN.R-project.org/package=fUnitRoots
DOI: https://doi.org/10.2478/sbe-2026-0005 | Journal eISSN: 2344-5416 | Journal ISSN: 1842-4120
Language: English
Page range: 88 - 109
Published on: May 12, 2026
In partnership with: Paradigm Publishing Services
Publication frequency: 3 issues per year

© 2026 María Inés Barbosa Camargo, José Rodrigo Vélez Molano, Jorge Mario Salcedo Mayorga, published by Lucian Blaga University of Sibiu
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.