He is also a PhD candidate in Economics at Yale and he's been doing research on financial markets in developing countries.

他正在耶鲁攻读经济学博士学位,他目前正在研究,发展中国家的金融市场

耶鲁公开课 - 金融市场课程节选

Now a development economist--that's Santosh's field-- Development economics is a very important field in economics that is helping less developed countries emerge.

发展经济学...那是桑托什的研究领域,发展经济学是,经济学中一个非常重要的领域,它研究的是如何帮助欠发达地区实现经济崛起

耶鲁公开课 - 金融市场课程节选