@article{oai:reitaku.repo.nii.ac.jp:00000157, author = {上村, 昌司 and Kamimura, Shoji}, issue = {1}, journal = {麗澤経済研究, Reitaku International Journal of Economic Studies}, month = {Mar}, note = {In this paper, we study the conditional mean-variance portfolio selection problem. Following the work of Brandt and Santa-Clara ( 2006 ), we investigate which variables are important for the optimal portfolio weight. We use as state variables the dividend-price ratio, the term spread, and the trend variables in Japanese market. We find that the dividend-price ratio explains the optimal portfolio weight, but the others do not.}, pages = {41--48}, title = {平均分散ポートフォリオ選択問題における状態変数の選択について}, volume = {18}, year = {2010}, yomi = {カミムラ, ショウジ} }