He too prefers exit over voice (meaning that he thinks that leaving and joining are better constraints on executive power than the ballot box).

ECONOMIST: Free cities

Still, Brian Tempest, who is about to become chief executive, believes Ranbaxy's 700 researchers can help overcome financial constraints.

FORBES: By the Numbers

She praised Russia's strong support and commitment to UNESCO thanks to Ms. Eleonora Mitrofanova, former Chair of the Executive Board of UNESCO, in advancing global priorities, especially in the present financial constraints facing the Organization.

UNESCO: EDUCATION

Iraj Abedian, an economist and chief executive of Pan-African Capital Holdings, says a pitiful shortage of skills is one of the main constraints on economic growth.

ECONOMIST: White flight from South Africa

For younger girls the camel-hump styles offer escape from the constraints of the abaya and the veil, says Aysha al Busmait, a university professor and an executive with a Dubai government company.

WSJ: Young Women's Elaborate, High-Rise 'Camel Hump' Hairstyles Turn Heads in Dubai Malls