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Articles 7111 - 7140 of 9289

Full-Text Articles in Social and Behavioral Sciences

A Simple And Robust Method Of Inference For Spatial Lag Dependence, Zhenlin Yang, Yan Shen Dec 2011

A Simple And Robust Method Of Inference For Spatial Lag Dependence, Zhenlin Yang, Yan Shen

Research Collection School Of Economics

A simple and reliable method of inference for the spatial parameter in spatial autoregressive models is introduced, based on a statistic obtained by centering and rescaling the numerator of the concentrated Gaussian score function. The resulted tests and confidence intervals are robust against the distributional misspecifications and are insensitive to the spatial layouts and the error standard deviation. In contrast, the standard methods based on Gaussian score and information matrix may lead to inconsistent inference when errors are non normal, and can be quite sensitive to the spatial layouts and the error standard deviation even when errors are normally distributed. …

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One Mandarin Benefits The Whole Clan: Hometown Infrastructure And Nepotism In An Autocracy, Kieu-Trang Nguyen, Quoc-Anh Do, Anh Tran Dec 2011

One Mandarin Benefits The Whole Clan: Hometown Infrastructure And Nepotism In An Autocracy, Kieu-Trang Nguyen, Quoc-Anh Do, Anh Tran

Research Collection School Of Economics

This paper studies nepotism by government officials in an authoritarian regime. We collect a unique dataset of political promotions of officials in Vietnam and estimate their impact on public infrastructure in their hometowns. We find strong positive effects on several outcomes, some with lags, including roads to villages, marketplaces, clean water access, preschools, irrigation, and local radio broadcasters, as well as the hometown’s propensity to benefit from the State’s “poor commune support program”. Nepotism is not limited to only top-level officials, pervasive even among those without direct authority over hometown budgets, stronger when the hometown chairperson’s and promoted official’s ages …

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Special Issue: Revisiting And Reconstructing The Nghê Tinh Soviets, 1930-2011, Tobias Frederik Rettig Dec 2011

Special Issue: Revisiting And Reconstructing The Nghê Tinh Soviets, 1930-2011, Tobias Frederik Rettig

Research Collection School of Social Sciences

The seven papers presented here constitute the first collective effort in a Western language to revisit the Nghe Tinh Soviets of 1930–31. The Nghe Tinh movement, its name a compound of two neighbouring provinces in the north-central part of the French protectorate of Annam, not only occupies a special place in the history of the early Vietnamese Communist Party (VCP) but also became a site for animated debate on the causes of agrarian unrest that produced two of the most influential books in South East Asian Studies: James Scott’s Moral Economy of the Peasant (1976); and Samuel Popkin’s The Rational …

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Value Relevance Of Blog Visibility, Nan Hu, Ling Liu, Arindam Tripathy, Lee J. Yao Dec 2011

Value Relevance Of Blog Visibility, Nan Hu, Ling Liu, Arindam Tripathy, Lee J. Yao

Research Collection School Of Computing and Information Systems

This study empirically examines the effect of a non-traditional information source, namely a firm's blog visibility on the capital market valuation of firms. After controlling for earnings, book value of equity and other value relevant variables, such as traditional media exposure, R&D spending, and advertising expense, we find a positive association between a firm's blog visibility and its capital market valuation. In addition, we find blog visibility Grange causes trading, not vice versa. Our findings indicate that non-traditional information sources such as blogs help disseminate information and influence consumers' investment decisions by capturing their attention.

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Context-Based Friend Suggestion In Online Photo-Sharing Community, Ting Yao, Chong-Wah Ngo, Tao Mei Dec 2011

Context-Based Friend Suggestion In Online Photo-Sharing Community, Ting Yao, Chong-Wah Ngo, Tao Mei

Research Collection School Of Computing and Information Systems

With the popularity of social media, web users tend to spend more time than before for sharing their experience and interest in online photo-sharing sites. The wide variety of sharing behaviors generate different metadata which pose new opportunities for the discovery of communities. We propose a new approach, named context-based friend suggestion, to leverage the diverse form of contextual cues for more effective friend suggestion in the social media community. Different from existing approaches, we consider both visual and geographical cues, and develop two user-based similarity measurements, i.e., visual similarity and geo similarity for characterizing user relationship. The problem of …

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Wsm 2011: Third Acm Workshop On Social Media, Steven C. H. Hoi, Michal Jacovi, Ioannis Kompatsiaris, Jiebo Luo, Konstantinos Tserpes Dec 2011

Wsm 2011: Third Acm Workshop On Social Media, Steven C. H. Hoi, Michal Jacovi, Ioannis Kompatsiaris, Jiebo Luo, Konstantinos Tserpes

Research Collection School Of Computing and Information Systems

The Third Workshop on Social Media (WSM2011) continues the series of Workshops on Social Media in 2009 and 2010 and has been established as a platform for the presentation and discussion of the latest, key research issues in social media analysis, exploration, search, mining, and emerging new social media applications. It is held in conjunction with the ACM International Multimedia Conference (MM'11) at Scottsdale, Arizona, USA, 2011 and has attracted contributions on various aspects of social media including data mining from social media, content organization, geo-localization, personalization, recommendation systems, user experience, machine learning and social media approaches and architectures for …

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Content Contribution Under Revenue Sharing And Reputation Concern In Social Media: The Case Of Youtube, Qian Tang, Bin Gu, Andrew B. Whinston Dec 2011

Content Contribution Under Revenue Sharing And Reputation Concern In Social Media: The Case Of Youtube, Qian Tang, Bin Gu, Andrew B. Whinston

Research Collection School Of Computing and Information Systems

A key feature of social media is that it allows individuals and businesses to contribute contents for public viewing. However, little is known about how content providers derive payoffs from such activities. In this study, we build a dynamic structural model to recover the utility function for content providers. Our model distinguishes short-term payoffs based on ad revenue sharing from long-term payoffs driven by content providers’ reputation. The model was estimated using a panel data of 914 top 1000 providers and 381 randomly selected providers on YouTube from Jun 7th, 2010, to Aug 7th, 2011. The two different sets of …

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Modeling Social Strength In Social Media Community Via Kernel-Based Learning, Jinfeng Zhuang, Tao Mei, Steven C. H. Hoi, Xian-Sheng Hua, Shipeng Li Dec 2011

Modeling Social Strength In Social Media Community Via Kernel-Based Learning, Jinfeng Zhuang, Tao Mei, Steven C. H. Hoi, Xian-Sheng Hua, Shipeng Li

Research Collection School Of Computing and Information Systems

Modeling continuous social strength rather than conventional binary social ties in the social network can lead to a more precise and informative description of social relationship among people. In this paper, we study the problem of social strength modeling (SSM) for the users in a social media community, who are typically associated with diverse form of data. In particular, we take Flickr---the most popular online photo sharing community---as an example, in which users are sharing their experiences through substantial amounts of multimodal contents (e.g., photos, tags, geo-locations, friend lists) and social behaviors (e.g., commenting and joining interest groups). Such heterogeneous …

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Singapore: Building A Future Without Cheap Oil, Singapore Management University Nov 2011

Singapore: Building A Future Without Cheap Oil, Singapore Management University

Perspectives@SMU

Singapore’s investment and long history of involvement in the oil industry has been a major factor in the development of its economy. In the 272-page book 'Singapore, The Energy Economy: From The First Refinery To The End Of Cheap Oil, 1960 to 2010' by Ng Weng Hoong, he traced the evolution of Singapore’s economy over a 50-year period beginning from 1960, showing how energy has been a powerful but little noticed thread in the country’s rise from a struggling Third World country to an affluent city-state it is today.

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Measuring Social Networks For Real-Time Competitive Advantage, Singapore Management University Nov 2011

Measuring Social Networks For Real-Time Competitive Advantage, Singapore Management University

Perspectives@SMU

Social networks offer up a goldmine of information just waiting to be exploited. For the first time, human relationships, comments and activities are documented quite publicly on platforms like Facebook and Twitter. Save for privacy concerns, never before has it been easier to know what people think, what they like, and to whom they are connected.

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Customer Satisfaction Index Of Singapore 2011: Q3 Results, Institute Of Service Excellence, Smu Nov 2011

Customer Satisfaction Index Of Singapore 2011: Q3 Results, Institute Of Service Excellence, Smu

Research Collection Institute of Service Excellence (2007-2024)

The Customer Satisfaction Index of Singapore (CSISG) computes customer satisfaction scores at the national, sector, sub-sector, and company levels. Currently in its fifth year of measurement, the CSISG serves as a quantitative benchmark of the quality of goods and services produced by the Singapore economy over time and across countries.

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The Effects Of Culture And Friendship On Rewarding Honesty And Punishing Deception, Cynthia S. Wang, Angela K.-Y. Leung, Michelle Ya Hui See, Xiang Yu Gao Nov 2011

The Effects Of Culture And Friendship On Rewarding Honesty And Punishing Deception, Cynthia S. Wang, Angela K.-Y. Leung, Michelle Ya Hui See, Xiang Yu Gao

Research Collection School of Social Sciences

The present research explores whether the type of relationship one holds with deceptive or honest actors influences cross-cultural differences in reward and punishment. Research suggests that Americans reward honest actors more than they punish deceptive perpetrators, whereas East Asians reward and punish equally (Wang & Leung, 2010). Our research suggests that the type of relationship with the actor matters for East Asians, but not for Americans. East Asians exhibit favoritism toward their friends by rewarding more than punishing them, but reward and punish equally when the actors are strangers (Experiment 1 and 2); Americans reward more than they punish regardless …

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Fairness: Processes Are As Important As Outcomes, David Chan Nov 2011

Fairness: Processes Are As Important As Outcomes, David Chan

Research Collection School of Social Sciences

People are sensitive to the fairness of decisions made or the treatment they receive. Research in work contexts has shown that it is important for processes like personnel selection, performance appraisal and compensation to be perceived as fair, because fairness perceptions influence how people react to situations and their leaders. This also applies to public policy implementation and public engagement efforts.

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Prevention Of Vessel-Source Marine Pollution: A Note On The Challenges And Prospects For Chinese Practice Under International Law, Nengye Liu, Frank Maes Nov 2011

Prevention Of Vessel-Source Marine Pollution: A Note On The Challenges And Prospects For Chinese Practice Under International Law, Nengye Liu, Frank Maes

Research Collection Yong Pung How School Of Law

This article examines China’s domestic legal regime for the prevention of vessel sourcepollution. It pays special attention to the recently adopted Regulation on Preventionand Control of Marine Pollution from Vessels. Potential challenges and emerging issuesthat China has to confront are addressed, including: application of the legislation todisputed sea areas between China and its neighbors, freedom of navigation in theexclusive economic zone, reduction of emission from ships, and prevention of invasivespecies from ballast water.

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Trust And The Commitment To Fairness, Tan K. B. Eugene Nov 2011

Trust And The Commitment To Fairness, Tan K. B. Eugene

Research Collection Yong Pung How School Of Law

Assistant Professor Eugene Tan writes that tripartism has given us years of industrial peace and prosperity in Singapore, but warns that trust must work both ways. The high principle of tripartism does not necessarily mean that the partners will subscribe to the same policies and outlook on what is needed for workplace harmony.

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Cultural Differences In The Subjective Experience Of Emotion: When And Why They Occur, Christie N. Scollon, Sharon Koh, Evelyn Wing Mun Au Nov 2011

Cultural Differences In The Subjective Experience Of Emotion: When And Why They Occur, Christie N. Scollon, Sharon Koh, Evelyn Wing Mun Au

Research Collection School of Social Sciences

Cross-cultural comparisons of subjective emotional experience are common, and virtually any comparison of nations or different ethnic groups is bound to yield some differences and some similarities. While nobody doubts the considerable intercultural variability in subjective or self-reports of emotion, more attention needs to be given to when and why and these differences occur. In this article, we explore factors that accentuate or attenuate cultural differences in the subjective experience of emotion. We propose that cultural norms shape emotional experiences to different degrees depending on the time frame of the emotional experience, the valence of the emotion, and even the …

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Smu Appoints Bryce Hool As Economics Dean, Singapore Management University Nov 2011

Smu Appoints Bryce Hool As Economics Dean, Singapore Management University

SMU Press Releases and News

No abstract provided.

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Singapore And Re-Engineering Economic Space: Observations From The Middle East, Caroline Yeoh, Wilfred Pow Ngee How Nov 2011

Singapore And Re-Engineering Economic Space: Observations From The Middle East, Caroline Yeoh, Wilfred Pow Ngee How

Research Collection Lee Kong Chian School Of Business

The hallmark of the Singapore state-led, market-driven interventions, and their efficacy, have often been a matter of academic contention. This paper, as part of our series on this topic, revisits Singapore’s state-enterprise strategy in the context of the city-state’s determined efforts at internationalization through a series of state-engineered projects, orchestrated to encapsulate economic space for Singapore-based firms to expand into the region and beyond. This internationalization stratagem remains controversial; premised, as they are, on the exportability of Singapore’s state credibility, systemic and operational efficiencies as well as technological competencies of Singaporean companies, government-linked or otherwise, to locations where these attributes …

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Finding The Appropriate Mode Of Dispute Resolution: Introducing Neutral Evaluation In The Subordinate Courts, Dorcas Quek Anderson, Chi-Ling Seah Nov 2011

Finding The Appropriate Mode Of Dispute Resolution: Introducing Neutral Evaluation In The Subordinate Courts, Dorcas Quek Anderson, Chi-Ling Seah

Research Collection Yong Pung How School Of Law

The Alternative Dispute Resolution (ADR) movement has gained significant traction over the last three decades and has been expanding at a rapid pace in many common law jurisdictions. The allure of ADR lies, in large part, in its recognition of litigants’ desire for self-determination and autonomy in resolving their disputes. ADR became even more attractive as dissatisfaction with the traditional court system grew. In the seminal Roscoe Pound Conference on Popular Causes of Dissatisfaction with the Administration of Justice in USA, the changing role of the courts was highlighted, casting ADR further into the spotlight.i Instead of offering only adjudication …

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Arrow-Fisher-Hanemann-Henry And Dixit-Pindyck Option Values Under Strategic Interactions, Tomoki Fujii, Ryuichiro Ishikawa Nov 2011

Arrow-Fisher-Hanemann-Henry And Dixit-Pindyck Option Values Under Strategic Interactions, Tomoki Fujii, Ryuichiro Ishikawa

Research Collection School Of Economics

We extend the Arrow-Fisher-Hanemann-Henry (AFHH) and Dixit-Pindyck (DP) option values to game situations. By reinterpreting the AFHH option value as a change in the surplus from conservation because of the prospect of future information, we deal with the conceptual difficulty associated with the AFHH option value in the presence of strategic interactions. We then introduce the DP option value into a game situation. We show that the equivalence between the expected value of information and the DP option value in the standard model does not hold under strategic interactions.

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Impact Of Food Inflation On Poverty In The Philippines, Tomoki Fujii Nov 2011

Impact Of Food Inflation On Poverty In The Philippines, Tomoki Fujii

Research Collection School Of Economics

We simulate the impact of actual food price increase between June 2006 and June 2008 on poverty across different areas and whether the household’s main income source is agricultural activities. We explicitly treat heterogeneity in food price changes and the patterns of consumption and production by merging a expenditure survey dataset and a price dataset at the provincial level or lower. While the increase of head count index is larger for non-agricultural households than agricultural households, the opposite is true for the poverty gap and poverty severity measures, because poor agricultural households are particularly vulnerable to food inflation.

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Specification Sensitivity In Right-Tailed Unit Root Testing For Explosive Behavior, Peter C. B. Phillips, Shu-Ping Shi, Jun Yu Nov 2011

Specification Sensitivity In Right-Tailed Unit Root Testing For Explosive Behavior, Peter C. B. Phillips, Shu-Ping Shi, Jun Yu

Research Collection School Of Economics

Right-tailed unit root tests have proved promising for detecting exuberance in economic and financial activities. Like left-tailed tests, the limit theory and test performance are sensitive to the null hypothesis and the model specification used in parameter estimation. This paper aims to provide some empirical guidelines for the practical implementation of right-tailed unit root tests, focusing on the sup ADF test of Phillips, Wu and Yu (2011), which implements a right-tailed ADF test repeatedly on a sequence of forward sample recursions. We analyze and compare the limit theory of the sup ADF test under deferent hypotheses and model specifications. The …

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Linear Programming-Based Estimators In Simple Linear Regression, Daniel P. A. Preve, Marcelo C. Medeiros Nov 2011

Linear Programming-Based Estimators In Simple Linear Regression, Daniel P. A. Preve, Marcelo C. Medeiros

Research Collection School Of Economics

In this paper we introduce a linear programming estimator (LPE) for the slope parameter in a constrained linear regression model with a single regressor. The LPE is interesting because it can be superconsistent in the presence of an endogenous regressor and, hence, preferable to the ordinary least squares estimator (LSE). Two different cases are considered as we investigate the statistical properties of the LPE. In the first case, the regressor is assumed to be fixed in repeated samples. In the second, the regressor is stochastic and potentially endogenous. For both cases the strong consistency and exact finite-sample distribution of the …

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Singapore's Venture Into The Gulf: Undiscovered Treasure Or Empty Pot?, Caroline Yeoh, Wilfred How, Joses Wong Nov 2011

Singapore's Venture Into The Gulf: Undiscovered Treasure Or Empty Pot?, Caroline Yeoh, Wilfred How, Joses Wong

Research Collection Lee Kong Chian School Of Business

Singapore: a country synonymous with business efficiency, strict laws and a reputation that belies its miniscule size. Its state-enterprise network and attempts at grafting “Singapore-styled” investment enclaves onto foreign locales often receive attention from the international community. These state-engineered projects are premised on the exportability of Singapore’s state credibility, systemic and operational efficiencies as well as the technological competencies of Singapore companies, to locations where these attributes are less distinct. This paper, as part of our series on this topic, revisits the city-state’s determined efforts to encapsulate economic space for Singapore-based firms, enabling them to expand beyond the region. This …

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A New Necessary Condition For Implementation In Iteratively Undominated Strategies, Takashi Kunimoto, Roberto Serrano Nov 2011

A New Necessary Condition For Implementation In Iteratively Undominated Strategies, Takashi Kunimoto, Roberto Serrano

Research Collection School Of Economics

We uncover a new necessary condition for implementation in iteratively undominated strategies by mechanisms that satisfy the “best element property” where for each agent, there exists a strategy profile that gives him the highest payoff in the mechanism. This class includes finite and regular mechanisms. We conclude that either the quasilinearity-like assumptions of available sufficiency results cannot be completely dispensed with or some mechanisms that do not satisfy the best element property must be employed. We term the condition “restricted deception-proofness.” It requires that, in environments with identical preferences, the social choice function be immune to all deceptions, making it …

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Relating Trait Self-Control And Forgiveness Within Prosocials And Proselfs: Compensatory Versus Synergistic Models, Daniel Balliet, Norman P. Li, Jeff Joireman Nov 2011

Relating Trait Self-Control And Forgiveness Within Prosocials And Proselfs: Compensatory Versus Synergistic Models, Daniel Balliet, Norman P. Li, Jeff Joireman

Research Collection School of Social Sciences

The present research tested 2 competing models specifying how 2 traits (concern with the well-being of others and self-control) interact to predict forgiveness. According to the compensatory model, forgiveness requires being high on either trait; according to the synergistic model, forgiveness requires being high on both traits. Two preliminary studies demonstrated the main effect of trait (Study 1a) and primed (Study 1b) self-control on forgiveness. Three primary studies consistently supported the compensatory model in predicting willingness to forgive a partner who behaves noncooperatively in a 2-alternative prisoner’s dilemma (Study 2), a continuous give-some dilemma (Study 3), and a 2-alternative maximizing …

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Sex Differences In Cooperation: A Meta-Analytic Review Of Social Dilemmas, Daniel Balliet, Norman P. Li, Shane J. Macfarlan, Mark Van Vugt Nov 2011

Sex Differences In Cooperation: A Meta-Analytic Review Of Social Dilemmas, Daniel Balliet, Norman P. Li, Shane J. Macfarlan, Mark Van Vugt

Research Collection School of Social Sciences

Although it is commonly believed that women are kinder and more cooperative than men, there is conflicting evidence for this assertion. Current theories of sex differences in social behavior suggest that it may be useful to examine in what situations men and women are likely to differ in cooperation. Here, we derive predictions from both sociocultural and evolutionary perspectives on context-specific sex differences in cooperation, and we conduct a unique meta-analytic study of 272 effect sizes—sampled across 50 years of research—on social dilemmas to examine several potential moderators. The overall average effect size is not statistically different from zero (d …

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Intertemporal Substitution In The Time Allocation Of Married Women, Ken Yamada Nov 2011

Intertemporal Substitution In The Time Allocation Of Married Women, Ken Yamada

Research Collection School Of Economics

This paper studies a life-cycle model of home production to examine how married women change their allocation of time in response to evolutionary movements along the life-cycle wage profile in Japan. After accounting for the potential bias due to heterogeneity, measurement error, weak instruments, and missing data, the estimates of intertemporal substitution elasticity obtained from the home production model are moderate and similar to those obtained from the standard labor supply model.

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Specification Testing For Nonparametric Structural Models With Monotonicity In Unobservables, Stefan Hoderlein, Liangjun Su, Halbert White Nov 2011

Specification Testing For Nonparametric Structural Models With Monotonicity In Unobservables, Stefan Hoderlein, Liangjun Su, Halbert White

Research Collection School Of Economics

Monotonicity in a scalar unobservable is a now common assumption in economic theory and applications. Among other things, it allows one to recover the underlying structural function from certain conditional quantiles of observables. Nevertheless, monotonicity is a strong assumption, and its failure can have substantive adverse consequences for structural inference. So far, there are no generally applicable nonparametric specification tests designed to detect monotonicity failure. This paper provides such a test for cross-section data. We show how to exploit an exclusion restriction together with a conditional independence assumption, plausible in a variety of applications, to construct a test. Our statistic …

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Custodes Invicem Custodiunt: Commitment Through Competition, Madhav S. Aney, Giovanni Ko Nov 2011

Custodes Invicem Custodiunt: Commitment Through Competition, Madhav S. Aney, Giovanni Ko

Research Collection School Of Economics

How can specialists in violence, such as the military or the police, commit not to expropriate from producers? In this paper we propose competition between these agents as one of the mechanisms that can deter predation. In our model, even if specialists in violence could expropriate all output costlessly, it is attractive to protect producers from predators. This is because there is a marginal defensive advantage and consequently defense is an effective way to potentially eliminate other specialists in violence, reducing competition and leading to higher future payoffs. Hence, producers can offer transfers to specialists in violence that make defense …

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