The best way to understand labor markets is to look at real-world data, not just theoretical models.
理解劳动力市场的最佳方式是观察现实数据,而不仅仅是理论模型。
Mathematics is not a spectator sport—you have to engage with it to appreciate its beauty.
The mind is its own place, and in itself can make a heaven of hell, a hell of heaven.