他是微观经济理论和经济史方面的专家。

A specialist in microeconomic theory and economic history.

她撰写了大量有关经济史和经济思想史的著作和论文。

She has written extensively on economic history and the history of economic thought.

事实上，近代的经济史得出的一大教训就是，走出危机的国家和地区更有可能遭受下一次危机。

Indeed a lesson of recent economic history is that countries and regions that ride out a crisis well are all the more vulnerable to the next one.