alizadeh,S , , Mahmodzadeh,M , , sadeghi,S , and imankhan,N . "The Impact of the Performance of Knowledge-Based Companies on Their Financing Methods: A Panel Data Approach with Time-Varying Coefficients", Journal of Econometric Modelling, 11, 1, 2026, 9-38. doi: 10.22075/jem.2025.37313.2001