Stigmergy in Web 2.0: a model for site dynamics

Building Web 2.0 sites does not necessarily ensure the success of the site. We aim to better understand what improves the success of a site by drawing insight from biologically inspired design patterns. Web 2.0 sites provide a mechanism for human interaction enabling powerful intercommunication between massive volumes of users. Early Web 2.0 site providers that were previously dominant are being succeeded by newer sites providing innovative social interaction mechanisms. Understanding what site traits contribute to this success drives research into Web sites mechanics using models to describe the associated social networking behaviour. Some of these models attempt to show how the volume of users provides a self-organising and self-contextualisation of content. One model describing coordinated environments is called stigmergy, a term originally describing coordinated insect behavior. This paper explores how exploiting stigmergy can provide a valuable mechanism for identifying and analysing online user behavior specifically when considering that user freedom of choice is restricted by the provided web site functionality. This will aid our building better collaborative Web sites improving the collaborative processes

Limitation of Sales Warranties as an Alternative to Intellectual Property Rights: An Empirical Analysis of IPhone Warranties’ Deterrent Impact on Consumers

Apple\u27s success with the Apple iPhone has brought with it certain problems. Its success has engendered a community that has attempted to circumvent Apple\u27s exclusive service agreement with AT&T. Unfortunately for Apple (and similarly situated manufacturers), intellectual property law allows consumers to alter their products so as to circumvent relationships that manufacturers may have with others. The patent and copyright law first sale doctrine allows consumers to manipulate a product after it is purchased. As a result, manufacturers are increasingly turning to alternatives to intellectual property to secure control over the device after the sale. One such alternative is the exclusion of warranty under Article 2 of the Uniform Commercial Code. This iBrief considers whether limitation of warranties have the deterrence effect manufacturers desire. Said differently, it considers whether manufacturers can use warranty limitations to prevent consumers from using their products in an unauthorized manner. The iBrief presents a behavioral model based on the Triandis model of planned behavior and enhances the model by accounting for likely and unlikely benefits and detriments. The model suggests that participants weigh the probability and magnitude of the detriment against the probability and magnitude of the beneficial impact when making the decision to engage in technological piracy. This model, considered with other empirical evidence, suggests that Apple\u27s warranty could be a stronger deterrent for consumers than civil liability. The iBrief concludes that manufacturers can better protect their post-sale expectation of profits by raising consumer awareness of their warranty\u27s quality and by raising awareness of the consequences for using the product in a way that is outside the terms of the consumers\u27 authorized use

Determinants and Effects of Reserve Prices in Hattrick Auctions

We use a unique hand collected data set of 6,258 auctions from the online football manager game Hattrick to study determinants and effects of reserve prices. We find that chosen reserve prices exhibit both very sophisticated and suboptimal behavior by the sellers. On the one hand, reserve prices are adjusted remarkably nuanced to the resulting sales price pattern. However, reserve prices are too clustered at zero and at multiples of e 50,000 as to be consistent with fully rational behavior. We recover the value distribution and simulate the loss in expected revenue from suboptimal reserve prices. Finally, we find evidence for the sunk cost fallacy as there is a substantial positive effect on the reserve price when the player has been acquired previously

Product-Related Risk and Cognitive Biases: The Shortcomings of Enterprise Liability

Products liability law has witnessed a long debate over whether manufacturers should be held strictly liable for the injuries that products cause. Recently, some have argued that psychological research on human judgment supports adopting a regime of strict enterprise liability for injuries caused by product design. These new proponents of enterprise liability argue that the current system, in which manufacturer liability for product design turns on the manufacturer\u27s negligence, allows manufacturers to induce consumers into undertaking inefficiently dangerous levels or types of consumption. In this paper we argue that the new proponents of enterprise liability have: (1) not provided any more than anecdotal evidence for their thesis; (2) failed to account for the mechanisms the law already has available to counter manufacturer manipulation of consumers; and (3) made no effort to address the well-known problems enterprise liability creates. Furthermore, even on its own terms, the new arguments for enterprise liability fail to consider the tendency of some manufacturers to exacerbate the risks that some products pose - a tendency that enterprise liability would exacerbate. In short, the insights gleaned from psychological research on human judgment do not support adopting a system of strict enterprise liability for products

The Harmful Side Effects of Drug Prohibition

Some drugs make people feel good. That is why some people use them. Some of these drugs are alleged to have side effects so destructive that many advise against their use. The same may be said about statutes that attempt to prohibit the manufacture, sale, and use of drugs. Advocating drug prohibition makes some people feel good because they think they are “doing something” about what they believe to be a serious social problem. Others who support these laws are not so altruistically motivated. Employees of law enforcement bureaus and academics who receive government grants to study drug use, for example, may gain financially from drug prohibition. But as with using drugs, using drug laws can have moral and practical side effects so destructive that they argue against ever using legal institutions in this manner. This Article will not attempt to identify and “weigh” the costs of drug use against the costs of drug laws. Instead, it will focus exclusively on identifying the harmful side effects of drug law enforcement and showing why these effects are unavoidable. So one-sided a treatment is justified for two reasons. First, a cost-benefit or cost-cost analysis may simply be impossible. Second, discussions by persons who support illegalizing drugs usually emphasize only the harmful effects of drug use while largely ignoring the serious costs of such policies. By exclusively relating the other side of the story, this Article is intended to inject some balance into the normal debate. The harmful side-effects of drug laws have long been noted by a number of commentators, although among the general public the facts are not as well known as they should be. More importantly, even people who agree about the facts fail to grasp that it is the nature of the means—coercion—chosen to pursue the suppression of voluntary consumptive activity that makes these effects unavoidable. This vital and overlooked connection is the main subject of this Article

Right here, right now: situated interventions to change consumer habits

Consumer behavior-change interventions have traditionally encouraged consumers to form conscious intentions, but in the past decade it has been shown that while these interventions have a medium-to-large effect in changing intentions, they have a much smaller effect in changing behavior. Consumers often do not act in accordance with their conscious intentions because situational cues in the immediate environment automatically elicit learned, habitual behaviors. It has therefore been suggested that researchers refocus their efforts on developing interventions that target unconscious, unintentional influences on behavior, such as cue-behavior (“habit”) associations. To develop effective consumer behavior-change interventions, however, we argue that it is first important to understand how consumer experiences are represented in memory, in order to successfully target the situational cues that most strongly predict engagement in habitual behavior. In this article, we present a situated cognition perspective of habits and discuss how the situated cognition perspective extends our understanding of how consumer experiences are represented in memory, and the processes through which these situational representations can be retrieved in order to elicit habitual consumer behaviors. Based on the principles of situated cognition, we then discuss five ways that interventions could change consumer habits by targeting situational cues in the consumer environment and suggest how existing interventions utilizing these behavior-change strategies could be improved by integrating the principles of the situated cognition approach

Cultural Paradigms in Property Institutions

Do “cultural factors” substantively influence the creation and evolution of property institutions? For the past several decades, few legal scholars have answered affirmatively. Those inclined towards a law and economics methodology tend to see property institutions as the outcome of self-interested and utilitarian bargaining, and therefore often question the analytical usefulness of “culture.” The major emerging alternative, a progressive literature that emphasizes the social embeddedness of property institutions and individuals, is theoretically more accommodating of cultural analysis but has done very little of it. This Article develops a “cultural” theory of how property institutions are created and demonstrates that such a theory is particularly powerful in explaining large-scale institutional differences between societies. Empirically, it argues that, in the two centuries before large-scale industrialization, China, England, and Japan displayed systematic and fundamental differences in their regulation of property use and transfer. It further argues that these legal and institutional differences are best explained by certain aspects of social culture, specifically by the criteria for sociopolitical status distribution. Some of these criteria are distinctly “cultural” in the sense that they were probably generated by the widespread social internalization of moral values, rather than by utilitarian bargaining. Cultural paradigms can exist, therefore, in property institutions. If we assume, as conventional law and economics urges, that individuals generally approach property use and regulation through a self-interested and utilitarian mindset, their pursuit of personal utility can nonetheless be constrained or empowered by cultural norms of status distribution that determine their relative bargaining power

The Extent and spatial scale of connectivity among reef fish populations: implications for marine protected areas designated for fisheries enhancement

Enthusiasm for the use of no-take marine protected areas (MPAs) as management tools for the protection and enhancement of coral reef fishes is widespread. However, evidence that such marine reserves actually enhance fishery yields is limited, primarily because of difficulties in quantifying the exchange of individuals—especially larvae—between local populations within and outside the protected area. Knowledge of the extent and spatial scale of this connectivity is of vital importance for the effective design and implementation of marine reserves intended as fishery management tools. We review our current understanding of connectivity among coral reef populations, including the role of important determining factors such as pelagic larval duration, larval behavior, and hydrodynamics. We also discuss artificial and natural tagging methods that potentially can be used to track movements of larvae between marine reserves and surrounding waters. To illustrate the application of such methods, we discuss ECONAR (Ecological CONnections Among Reefs), a new, regional-scale research project designed to measure the extent of connectivity among populations of coral reef fishes in the Mesoamerican Barrier Reef System

Book reviews: On commodifying intangibles

Book reviews of: 1) James Boyle, Shamans, Software, and Spleens: Law and the Construction of the Information Society. Cambridge: Harvard University Press, 1996. Pp. xvi, 270. $35.00 (cloth),$15.95 (paper). 2) Margaret Jane Radin, Contested Commodities. Cambridge: Harvard University Press, 1996. Pp. xiv, 279. $35.00