Popescu, Liviu; Găman, Mirela; Mihai, Laurențiu Stelian; … - 2026
The study examines the evolution and convergence of the agricultural share in GDP across seven Central and Eastern … regional convergence. The methodological framework combines descriptive statistics, the Shapiro-Wilk normality test, Spearman … correlation analysis, cluster analysis using the Ward method, σ-convergence, β-convergence and ARIMA models for medium …