PS editors asked PS contributors to identify national and global trends to watch for in the coming year.

Adekeye Adebajo cites three possible motives for striking the country, all of which reflect an imperial mindset.

José Manuel Barroso reflects on what has made Gavi so successful, even as other international organizations have become ...

Cristina Ramirez warns that the continent’s allergy to sensible reforms could lead it down the same path taken by Argentina.

Yanis Varoufakis shows that the combined effect of all three has left Europe the most shocked and shaken of all.

Michael Spence points out that the returns on today's investments depend on economy-wide adoption, not frontier development.

Günther Thallinger & Ludovic Subran urge policymakers to stand by a proven approach that has guided polluting industries ...

Anne O. Krueger argues that in its first year, the administration has fully vindicated critics of is protectionist agenda.

And because this will require breaking up the European Union, the decades-long transatlantic alliance has given way to enmity ...

Timothy Snyder sees a familiar connection between US domestic repression and escalating foreign aggression.

Amit Seru is Professor of Finance at the Stanford Graduate School of Business and a senior fellow at the Hoover Institution.