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Recent experiments show that feedback transmission can mitigate opportunistic behavior in repeated social dilemmas. Two nonexcludable explanations have been investigated: strategic signaling and nonmonetary sanctioning. This literature builds on the intuition that under both partner matching (where the same groups of players interact many times) and stranger matching (where groups change continuously), feedback may work as a nonmonetary sanctioning device, but only the former also allows for strategic signaling. Empirical evidence on the two explanations is mixed. Moreover, the usual design may give rise to confounding matching protocol effects.

My experiment provides a novel empirical testbed for different channels by which feedback – costless disapproval points – may affect behavior in a repeated public goods game. In particular, it is based on a random matching scheme that neutralizes the confounding effects of different matching protocols on behavior.

The transmission of feedback is found to foster prosocial behavior. The data favor the nonmonetary sanctioning explanation rather than the signaling hypothesis.

This study provides a novel set of evidence that (i) communication may mitigate selfishness in social dilemmas and (ii) the source of this phenomenon may be linked to the emotional reaction that communication evokes in humans.

We suggest that globalization, a process that fosters greater interdependence and mutual awareness among actors around the world in their economic, political, social, and cultural interactions, will also decrease the social distance among them and thus increase individuals' propensities to cooperate with distal others. We demonstrate in a multi-country public goods experiment that among the four domains of individual participation in globalization, economic participation in globalization has the least effect in prompting cooperation. Conversely, the other three domains of globalization have strong effects on individual cooperation, and this is robust to different specifications of the econometric model.

The purpose of this paper is to review maintenance practices, tools and parameters for marine mechanical systems that can be classified as plant, machinery and equipment (PME). It provides an insight for the maintenance crew on which maintenance parameters and practices are critical for a given PME systems.

The review paper characterizes the various maintenance parameters and maintenance practices used onshore and offshore for PME and identifies the possible gaps.

A variety of maintenance techniques are being used in the marine industry such as corrective maintenance, preventive maintenance and condition-based maintenance. As marine vehicles (MV) get older, the most important maintenance parameters become maintenance costs, reliability and safety. Maintenance models that have been developed in line with marine mechanical systems have been validated using a single system, whose outcome could be different if another PME system is used for validation.

There is a limited literature on MV maintenance parameters and maintenance characterization regarding mechanical systems. The maintenance practices or strategies of marine mechanical systems should be based on maintenance parameters that suit the marine industry for a given PME.

Based on the available literature, the paper provides a variety of maintenance framework, parameters and practices for marine mechanical systems. The paper further gives an insight on what maintenance parameters, strategies and platforms are given preference in the shipping industry.