@article{{jabminternational}{}, author = {nie, d.}, title = { Index Premium Trends Resulting from Composition Changes to the S&P 500 and Its Implications for Market Efficiency}, journal = {Journal of Accounting, Business and Management (JABM)}, volume = {31}, number = {1}, year = {2024}, doi = {10.31966/jabminternational.v31i1.905}, url = {https://journal.stie-mce.ac.id/index.php/jabminternational/article/view/905} }