This article devises a method to separate the Global Terrorism Database (GTD) into transnational and domestic terrorist incidents. This decomposition is essential for the understanding of some terrorism phenomena when the two types of terrorism are hypothesized to have different impacts. For example, transnational terrorism may have a greater adverse effect than domestic terrorism on economic growth. Moreover, the causes of the two types of terrorism may differ. Once the data are separated, we apply a calibration method to address some issues with GTD data -namely, the missing data for 1993 and different coding procedures used before 1998. In particular, we calibrate the GTD transnational terrorist incidents to ITERATE transnational terrorist incidents to address GTD's undercounting of incidents in much of the 1970s and its overcounting of incidents in much of the 1990s. Given our assumption that analogous errors characterize domestic terrorist events in GTD, we apply the same calibrations to adjust GTD domestic incidents. The second part of the article investigates the dynamic aspects of GTD domestic and transnational terrorist incidents, based on the calibrated data. Contemporaneous and lagged cross-correlations for the two types of terrorist incidents are computed for component time series involving casualties, deaths, assassinations, bombings, and armed attacks. We find a large cross-correlation between domestic and transnational terrorist incidents that persists over a number of periods. A key finding is that shocks to domestic terrorism result in persistent effects on transnational terrorism; however, the reverse is not true. This finding suggests that domestic terrorism can spill over to transnational terrorism, so that prime-target countries cannot ignore domestic terrorism abroad and may need to assist in curbing this homegrown terrorism.
Standard-Nutzungsbedingungen:Die Dokumente auf EconStor dürfen zu eigenen wissenschaftlichen Zwecken und zum Privatgebrauch gespeichert und kopiert werden.Sie dürfen die Dokumente nicht für öffentliche oder kommerzielle Zwecke vervielfältigen, öffentlich ausstellen, öffentlich zugänglich machen, vertreiben oder anderweitig nutzen.Sofern die Verfasser die Dokumente unter Open-Content-Lizenzen (insbesondere CC-Lizenzen) zur Verfügung gestellt haben sollten, gelten abweichend von diesen Nutzungsbedingungen die in der dort genannten Lizenz gewährten Nutzungsrechte. ADBI's discussion papers reflect initial ideas on a topic, and are posted online for discussion. ADBI encourages readers to post their comments on the main page for each discussion paper (given in the citation below). Some discussion papers may develop into research papers or other forms of publication. The views expressed in this paper are the views of the authors and do not necessarily reflect the views or policies of ADBI, the Asian Development Bank (ADB), its Board of Directors, or the governments they represent. ADBI does not guarantee the accuracy of the data included in this paper and accepts no responsibility for any consequences of their use. Terminology used may not necessarily be consistent with ADB official terms. Terms of use: Documents in ADBI Discussion Paper 113 Gaibulloev and Sandler AbstractThis paper quantifies the impact of terrorism and conflicts on income per capita growth in Asia for . Our panel estimations show that transnational terrorist attacks had a significant growth-limiting effect. An additional terrorist incident per million persons reduces gross domestic product (GDP) per capita growth by about 1.5%. In populous countries, many additional attacks are needed to achieve such a large impact. Transnational terrorism reduces growth by crowding in government expenditures. Unlike developing countries, developed countries are able to absorb terrorism without displaying adverse economic consequences; an internal conflict has the greatest growth concern, about twice that of transnational terrorism. Conflict variables are associated with smaller investment shares and increased government spending, with the crowding in of government spending being the dominant influence. For developing Asian countries, intrastate and interstate wars have a much greater impact than terrorism does on the crowding-in of government spending. When regime types-democratic and autocratic-are taken into account, in our research, we found that the precision of the estimates increases with the increasing significance of transnational terrorist attacks.Policy recommendations indicate the need for rich Asian countries to assist their poorer neighbors in coping with the negative growth consequences of political violence. Failure to assist may result in region-wide repercussions. This is particularly relevant as production becomes fragmented in Asia in order to profit from comparative advantage and as regional infrastructure networks link Asia to exploit scale econ...
This overview examines critically the post-9/11 empirical literature on terrorism. Major contributions by both economists and political scientists are included. We focus on five main themes: the changing nature of terrorism, the organization of terrorist groups, the effectiveness of counterterrorism policies, modern drivers or causes of terrorism, and the economic consequences of terrorism. In so doing, we investigate a host of questions that include: How do terrorist groups attract and retain members? What determines the survival of terrorist groups? Is poverty a root cause of terrorism? What counterterrorism measures work best? In the latter regard, we find that many counterterrorism policies have unintended negative consequences owing to attack transference and terrorist backlash. This suggests the need for novel policies such as service provision to counter some terrorist groups’ efforts to provide such services. Despite terrorists’ concerted efforts to damage targeted countries’ economies, the empirical literature shows that terrorism has had little or no effect on economic growth or GDP except in small terrorism-plagued countries. At the sectoral level, terrorism can adversely affect tourism and foreign direct investment, but these effects are rather transient and create transference of activities to other sectors, thus cushioning the consequences. (JEL F21, F52, H56, K42, Z31)
SUMMARY This paper presents panel estimates for 18 Western Europe countries to ascertain the separate impacts of domestic and transnational terrorism on income per capita growth for 1971–2004. The paper merges domestic and transnational terrorist events in order to attribute growth impacts to the two broad categories of terrorism. Each additional transnational terrorist incident per million persons reduces economic growth by about 0.4 percentage points. Domestic terrorism has a much smaller effect on growth that is about half this size. Terrorism's negative impact on growth is related to the scale of terrorism in the sample countries in order to give a better idea of what is the average consequence in most sample countries. These negative impacts are shown to stem from domestic and transnational terrorism's adverse influence on investment shares. Counterterrorism efforts also augment government spending, which crowds out growth‐promoting investment. We show that the pathway by which domestic and transnational terrorism influences growth differs. For example, transnational terrorism works more through the crowding out of investment, while domestic terrorism works more through the increase in government expenditure increases. A host of sensitivity tests are performed to support our empirical model. Policy recommendations conclude the paper – e.g., measures to curb transnational terrorist attacks have a higher economic payoff than similar measures to reduce domestic terrorist events. Since transnational terrorism has a larger impact on income per capita growth than does domestic terrorism, West European efforts to curb transnational terrorism will have a greater economic dividend than efforts to limit domestic terrorism.
Regime type has opposing effects on terrorism. If a regime constrains the executive branch, then terrorism may be more prevalent. If, however, a regime allows all viewpoints to be represented, then grievances may be held in check, resulting in less terrorism. Regimes that value constituents' lives and property will also act to limit attacks. We formulate a game-theoretic model, containing a terrorist group and targeted government, that captures these opposing forces and supports a nonlinear relationship between regime type and terrorism. This model indicates how diverse samples in the literature can result in different relationships between regime type and terrorism. Seldom does it support the positive relationship that is prevalent in the terrorism literature. We apply a large variety of empirical techniques to show that regime type has a robust inverted U-shaped impact on various terrorism measures. Foreign policy variables (e.g., alliance with the United States) are not a robust influence on terrorism.
This article introduces an extended data set of 760 terrorist groups that engaged in attacks during 1970 to 2016. Unlike most extant group data sets, the extended data on terrorist groups (EDTG) is not tied to terrorist groups and attacks listed in the RAND terrorism data; rather, EDTG is linked to terrorist groups and attacks given in the Global Terrorism Database. Terrorist groups’ variables in EDTG include ideology, main goals, start date, duration, base country, attack diversity, peak size, alternative endings (if relevant), and others. We display interesting features of EDTG through a series of tables and figures. Our EDTG-based survival analysis is at odds with some of the literature: for example, the demise of a leader and a larger share of transnational terrorist attacks increase the group’s odds of failure. After 2001, religious terrorist groups are more resilient than those with other ideologies. We also analyze terrorist group lethality and productivity.
Terrorist group survival, Terrorist tactics, Terrorist groups’ ideology, Panel estimates, Cross-sectional estimates, D74, C41, H56,
Based on spatial panel regressions for 1990-2012, this article draws publicness differences between peacekeeping personnel contributions to UN and non-UN peacekeeping operations. The analysis shows that UN missions are much less responsive to personnel spillovers, derived from other contributors' peacekeepers, than is the case of non-UN missions. UN peacekeeping missions display either no response or free riding to these personnel spillovers, while non-UN missions indicate spillover complementarity. Moreover, a number of controls distinguish the two kinds of peacekeeping, where non-UN missions display income normality and UN missions' deployments increase with the number of concurrent peacekeeping missions. The latter suggests that some countries specialize in supplying UN peacekeepers as a money-making venture. The positive response to the population variable supports this conjecture for UN missions, because a greater population base provides the recruits for peacekeeping operations. Our spatial empirical analysis accounts for the endogeneity of peacekeeper spillovers. The article concludes with a host of robustness tests that account for the alternative classes of peacekeepers, African Union and ECOWAS missions, and other empirical variants.
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