When you have a good crop, the farmer is happy, his wife is happy, the children are happy, the animals are happy, and the land is happy.
积极心理学不仅仅是感觉良好,它是关于美好生活——一种充满投入、意义和积极关系的生活。
资本资产定价模型并非旨在描述投资者实际行为的实证理论,而是关于理性投资者应如何行事的规范理论。