In the midst of growing public wariness about large-scale foreign interventions, the Obama administration has decided to arm the Syrian rebels. Those who call for increasing the scope of U.S. aid to the Syrian rebels argue that (1) arming the rebels is the cheapest way to halt a humanitarian...

Europa muss in der Lage sein, sich gegen Russland zu verteidigen, mit oder ohne die Vereinigten Staaten. Im Folgenden geben wir erste Schätzungen der zusätzlichen Ausrüstung und Truppen ab, die Europa unter der Annahme eines tatsächlichen Rückzugs der USA aus Europa für seine Verteidigung...

In a recently published article, Allen et al. (2020) argue that U.S. military deployments nurture favorable attitudes toward the U.S. among foreign citizens. Their claim is based on social contact and economic compensation theories, applied to a large-scale cross-national survey project funded...

We study the 420 US drone strikes in Pakistan from 2006-2016, isolating causal effects on terrorism, anti-US sentiment, and radicalization via an instrumental variable strategy based on wind. Drone strikes are suggested to encourage terrorism in Pakistan, bearing responsibility for 16 percent of...

The aggregate matching (hiring) function relates gross hires to labor market tightness. Decompositions of aggregate hires show how the hiring process differs across different groups of workers and of firms. Decompositions include employment status in the previous month, age, gender and...

We provide initial estimates of the additional weapons and troops Europe will need to defend itself, assuming an effective US withdrawal from Europe. Russia's military production has ramped up: In 2024, Russia produced and refurbished an estimated 1,550 tanks, 5,700 armoured vehicles and 450...

Wir liefern erste Schätzungen über die zusätzlichen Waffen und Truppen, die Europa zur Selbstverteidigung benötigen würde, falls sich die USA aus Europa zurückziehen. Die russische Militärproduktion wurde hochgefahren: Es wurden schätzungsweise 1.550 Panzer, 5.700 gepanzerte Fahrzeuge...

What role do whistleblowers play in democratic politics? This paper answers this question by analyzing the political economy of whistleblowing within democratic political institutions. Democratic politics is characterized by numerous principal-agent problems creating significant space for...

This paper aims to provide a pragmatic policy approach to countering China's influence on trade and investment in the west. It also examines how the United States should address China's ever-growing threat to regional rights, freedoms, trade, security and democracy