Severin Borenstein is an energy economist at the University of California, in Berkeley.

Severin Borenstein 是加州大学伯克利分校的能源经济学家。

Philip Verleger, a veteran energy economist, says that by refusing to drill, baby, drill, big shale firms have helped support oil prices for the past three years.

资深能源经济学家菲利普·维勒格(Philip Verleger)表示，通过拒绝钻探，宝贝，钻探，大型页岩油公司在过去三年帮助支撑了油价。