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Prison populations in the United States have increased in every year since 1973 – during depressions and in times of economic growth, with rising and falling crime rates, and in times of war and peace. Accomplishing this historically unprecedented penal pattern has required a serious policy agenda that has remained focused on punishment as a goal for more than a generation. This paper seeks to understand that policy orientation from the framework of a social experiment. It explores the following questions: how does the penal experiment – which we have called the Punishment Imperative – compare to other “grand” social experiments? What were its assumptions? What forms did the experiment take? What lessons can be learned from it? What is the future of the grand social experiment in mass incarceration?

Consumers use cues to assess whether a recovery is effective. Prior literature on service recovery has focused mainly on individual-related factors. This paper aims to study how other consumers in the same failure and recovery influence an individual consumer to evaluate the firm ' s recovery efforts.

Two experiments were conducted. Experiment 1 tested the interaction effects between recovery modes (public vs private) and recovery dimensions (economic vs social) on an individual consumer ' s evaluation of a recovery strategy for a group service failure. Experiment 2 investigated the complementary role of social recovery on economic compensation.

Experiment 1 identified a significant interaction effect. Results suggest that an individual in a group service failure responds more favorably to public economic recovery than to private recovery. However, an individual ' s reaction to social recovery follows the opposite pattern. Furthermore, in experiment 2 a complementary effect between economic recovery and social recovery was found.

One potential contribution is that the paper sheds light on the issue related to the influence from other affected consumers in the same service failure and recovery situation in affected consumers ' recovery evaluation. An individual will consider the recovery other individuals receive when he or she evaluates the recovery ' s strategy. The paper also provides insight into the complementary use of economic and social recoveries to enhance a consumer ' s evaluation of a firm ' s overall recovery at a reduced cost.

The purpose of this study is to contribute to the literature on information elicitation. The authors investigated the impact of social influence strategies on eyewitness recall performance. Specifically, the authors examined the effect of social influence techniques (Cialdini, 2007) on recall performance (Experiment 1) and conducted a follow-up experiment to examine the incremental effect of social proof on the report everything cognitive interview mnemonic (Experiment 2).

Participants watched a video depicting vandalism (Experiment 1: N = 174) or a verbal altercation (Experiment 2: N = 128) and were asked to recall the witnessed event. Experiment 1: Participants were assigned randomly to one of six conditions: control (open-ended prompt), engage and explain (interview ground rules), consistency (signing an agreement to work diligently), reciprocity (given water and food), authority (told of interviewer’s training) and social proof (shown transcript from an exemplar participant). Experiment 2: The authors used a 2 (social proof: present, absent) × 2 (report everything: present, absent) between-participants design.

Across both experiments, participants exposed to the social proof tactic (i.e. compared to a model exemplar) spoke longer and recalled more correct details than participants not exposed to the social proof tactic. In Experiment 2, participants interviewed with the report everything mnemonic also spoke longer, recalled more correct details, more incorrect details and provided slightly more confabulations than those not interviewed with the report everything mnemonic.

The findings have practical value for police investigators and other professionals who conduct interviews (e.g. military personnel, doctors obtaining information from patients). Interviewers can incorporate social proof in their interviewing practices to help increase the amount and accuracy of information obtained.

The purpose of the study was threefold: to understand security behaviours in practice by investigating factors that may cause an individual to comply with a request posed by a perpetrator; to investigate if adding information about the victim to an attack increases the probability of the attack being successful; and, finally, to investigate if there is a correlation between self-reported and observed behaviour.

Factors for investigation were identified based on a review of existing literature. Data were collected through a scenario-based survey, phishing experiments, journals and follow-up interviews in three organisations.

The results from the experiment revealed that the degree of target information in an attack increased the likelihood that an organisational employee falls victim to an actual attack. Further, an individual’s trust and risk behaviour significantly affected the actual behaviour during the phishing experiment. Computer experience at work, helpfulness and gender (females tend to be less susceptible to a generic attack than men), had a significant correlation with behaviour reported by respondents in the scenario-based survey. No correlation between the results from the scenario-based survey and the experiments was found.

One limitation is that the scenario-based survey may have been interpreted differently by the participants. Another is that controlling how the participants reacted when receiving the phishing mail, and what actually triggered each and every participant to click on the attached link, was not possible. Data were however collected to capture these aspects during and after the experiments. In conclusion, the results do not imply that one or the other method should be ruled out, as they have both advantages and disadvantages which should be considered in the context of collecting data in the critical domain of information security.

Two different methods to collect data to understand security behaviours have rarely been used in previous research. Studies that add target information to understand if such information could increase the probability of attack success is sparse. This paper includes both approaches.

The role of debt in episodes of financial stability is a topic of increasing important as the global economy struggles to recover from the worst crisis since the Great Depression of the 1930s. The purpose of this paper is to examine the mortgage finance booms of the 1920s and 2000s as natural experiments, new insights into debt-driven financial crises are gained.

The general methodology is interpreting anomalous historical events as natural experiments. The specific methodology is the approach to natural experiments provided by Joseph A. Schumpeter and Milton Friedman. The hypothesis tested is that laxity in lending standards was the prime contributor to the mortgage debt booms. In each case, we explain why factors other than laxity in lending standards would be secondary factors, with the pre-boom and post-boom lending standards providing the control groups of natural experiments. The two episodes of mortgage debt booms occurring under very different general economic and financial conditions provide an especially strong test of the hypothesized functional relationship.

The results of the two natural experiments support the hypothesis that lax lending standards were the prime contributors to the two episodes of debt-driven financial crisis.

From a social economics perspective, the insights gained are important because a major social goal has been to encourage greater opportunities for home ownership. The results of these natural experiments provide guidance for policymakers in the search for a viable balance between achieving that social goal and maintaining financial stability.

I propose a model of behavior in social interactions where individuals maximize a three-term utility function: a conventional consumption utility term and two “social” terms that capture social preference. One social term is a taste for desert, which is maximized when the individual believes the other person is getting what they deserve. The second social term measures the target individuals’ anger or gratitude from the interaction which is determined by a value function derived from prospect theory. After introducing the model and generating a series of comparative statics results and derived predictions, I report the results of a series of quasi-field experiments on social preferences. I discuss how the model explains several paradoxes of empirical moral philosophy that are less explicable by current economic models of social preference focusing on outcomes and intentions.

People often look to the opinions and actions of others to guide their food choices, especially when they are uncertain or unfamiliar with a particular food. This influence can be positive or negative depending on the context and can have an impact on food consumption and health outcomes.

The paper analysed data from 500 young adult consumers in China and employed a multi-study design to examine various aspects of social proof and herd behaviour in food choices. Experiment 1 examined the influence of testimonials from an influential person on buying decisions and eating behaviour. Experiment 2 explored whether herd behaviour drives food options. Experiment 3 assessed the influence of social proof on food choices. Chi-square tests of independence were conducted to examine the relationship between social proof and food choice, as well as herd behaviour and food decision-making. Several logit regression analyses were performed to identify the factors that drive consumers' susceptibility to social proof and herding.

The results indicated that the source of feedback, whether from an influential person or a family member, did not have a statistically significant effect on the likelihood of following the food guide recommendations. The preference for a healthier food option was stronger than following the herd. In contrast, social proof in the form of reviews and ratings influenced participants' choices. The paper highlights the usefulness for stakeholders and policymakers seeking to promote healthier eating habits.

The originality lies in its comprehensive approach, combining multiple experiments and analytical methods.

Leveraging social action theory, social network theory and the notion of network externality, the purpose of this paper is to model two different return on investment (ROI) measures: the networked ROI which captures the network effect originating from a social media investment, and the discrete ROI which focuses social media discrete returns from individual users.

A field experiment was set up over a period of three months to test the effects of two variants of an advertisement campaign (a social vs a discrete ad) on the modeled networked and discrete ROIs.

The authors find that emphasizing discrete user actions leads to lower network gains, but higher monetary returns while the social action emphasis produces higher network gains, but lower monetary returns. The study further suggests that social action focus is preferable for brand promotion and engagement, whereas the discrete action focus is suitable for boosting sales and website traffic.

Several potential implications for social media researchers and marketers are also discussed.

The authors for the first time showed that that the social media returns are derived not only from individual actions taken by the user (e.g. likes and shares) but also from users’ social interdependencies and the additional exposure that results from network effects.

The lack of studies about the relevance of disaster awareness factors and disaster evacuation as a part of disaster responses especially for fire cases in an academic environment in Indonesia has triggered this study to explore the disaster awareness factors and evacuation experiment without emergency alarm for case study students in the classroom. The relevance of disaster awareness factors in transforming into practical action and decision in a disaster evacuation need to be examined to study the relevance of both phases in disaster.

This research conducted a quantitative approach by studying questionnaires from 162 respondents collectively divided into five groups to examine the student disaster awareness factors randomly from those groups. The qualitative approach was implemented through the evacuation experiments that were conducted twice to analyze the disaster evacuation performance. The analysis for the relevance is conducted by comparing the result of the questionnaire study and the evacuation experiment.

According to the questionnaire study, generally, the students are highly confident with their hazard knowledge in disaster awareness except that half of them are doubtful about appropriate steps in a disaster. The experiment without explosive sound showed that they have slower responses in the critical moment of evacuation. The response in the experiments showed relevance with several disaster awareness factors

This study has explored the relevance of disaster awareness factors with disaster response in a campus building. In the part of reducing risk during fire disaster, this research shows the importance of social interaction and hazard knowledge during the disaster.

The improvement of disaster evacuation procedures and training in a campus building is mandatory to reduce disaster risk based on the relevance of disaster awareness factors and disaster response in this study.

This study measures the relevance of disaster awareness factors performance of the students by comparing it to their actions and decisions in an experimental setting of fire building. The disaster awareness factor performance was measured by a questionnaire survey while the experiments were deployed to observe the performance of their actions and decisions during evacuation as part of the disaster response phase.

The objective was to increase earnings of the city of Prievidza from waste disposal fee by proactive communication – reminder (a letter) and leaflets with targeted framing. The quasi-experiment aims to find out which type of leaflet framing (an injunctive social norm or public good) causes the most effective change in the debtors' behaviour.

The article presents the results of a behavioural quasi-experiment, carried out on a local government level. The effectiveness of the intervention was tested in a quasi-experiment with the sample size 712, which is 35% of all waste disposal fee debtors in Prievidza.

The intervention that has proven to be the most effective was a reminder together with an injunctive social norm leaflet. It resulted in a 1.7 times higher probability for the debt to be paid. The results also indicate that a reminder is significantly more effective if targeted at debtors who only owe one payment–this group was three times more likely to pay their debt after being exposed to the intervention.

Public policy recommendation is to primarily target the group of debtors who owe one payment.

Another testing and replication of this experiment design is highly important. Nonetheless, the first testing (field quasi-experiment) shows the potential of using the notification as well as social norm framing. It also appears that self-governments should use notifications to primarily address debtors without a long history of non-payment.