Over the last two decades or so, there has been a democratic turn in peace and conflict research, i.e. the peculiar impact of democratic politics on a wide range of security issues has attracted more and more attention. Many of these studies are inspired by Immanuel Kant's famous essay on...

This paper examines the effect of oil abundance on political violence. First, we revisit one of the main empirical findings of the civil conflict literature that oil abundance causes civil war. Using a unique panel dataset describing worldwide oil discoveries and extractions, we show that simply...

While most civil wars seem to have an economic basis, they are generally pushed by political, ethnic, and religious differences. This paper attempts to identify the drivers of the Syrian civil war of 2011 by investigating the role of ethnic divisions in starting a conflict. We integrate a...

This paper presents the “Ukraine Support Tracker”, which lists and quantifies military, financial and humanitarian aid to Ukraine in the context of the Russia-Ukraine war. This third version covers government commitments between January 24 and May 10, 2022. We now track support by 37...

This paper introduces the “Ukraine Support Tracker”, which lists and quantifies military, financial and humanitarian aid to Ukraine since Russia’s invasion on February 24, 2022. We measure support from Western governments, namely by G7 and European Union member countries. Due to our focus...

As a topical issue, this paper studies the responses of world stock market indices to the ongoing war between Ukraine and Russia. Using daily stock market returns in a sample of 94 countries and covers the period from 22 January 2022 to 24 March 2022, we consistently document a negative...

This paper presents the “Ukraine Support Tracker”, which lists and quantifies military, financial and humanitarian aid to Ukraine in the context of the Russia-Ukraine war. This fourth version covers government commitments made between January 24 and June 7, 2022 and has a new detailed...

This paper presents the “Ukraine Support Tracker”, which lists and quantifies military, financial and humanitarian aid to Ukraine in the context of the Russia-Ukraine war. This second version covers the period January 24 until April 23, 2022. We measure support from Western governments,...

This survey provides an in-depth analysis of existing research on the economic analysis of terrorism and counter-terrorist measures. First the existing evidence on the causes of terrorism is analyzed, then we consider the evidence of the consequences of terrorism and we demonstrate why it is...

This survey provides an in-depth analysis of existing research on the economic analysis of terrorism and counter-terrorist measures. First the existing evidence on the causes of terrorism is analyzed, then we consider the evidence of the consequences of terrorism and we demonstrate why it is...