Someone asked ‘What time is it?’ when her watch reads 3:08 is likely to answer ‘It is 3:10.’ We argue that a fundamental factor that explains such rounding is a psychological disposition to give an answer that, while not necessarily strictly truthful or accurate, is an optimally relevant one (in the sense of relevance theory) i.e. an answer from which hearers can derive the consequences they ca...

Anyone who has been a scientist for more than a couple of decades will realize that there has been a progressive and pervasive decline in the honesty of scientific communications. Yet real science simply must be an arena where truth is the rule; or else the activity simply stops being science and becomes something else: Zombie science. Although all humans ought to be truthful at all times; scie...

Combinatorial auction is an auction such that multiple goods are available and bidders can post bids for subsets of the goods. An auction mechanism is composed of a goods allocation rule and a payment scheme, which balance the goal of maximizing the sellers’ revenue and encouraging truthful declaration of bidders. The original Generalized Vickrey Auction (GVA) allocates the goods by maximizing ...

We aim at identifying a minimal set of conditions under which algorithms with good approximation guarantees are truthful without money. In line with recent literature, we wish to express such a set via verification assumptions, i.e., kind of agents’ misbehavior that can be made impossible by the designer. We initiate this research endeavour for the paradigmatic problem in approximate mechanism ...

In this article, the question arises as to when a balance sheet can be defined definitive is certain. Undoubtedly, observance of postulates truthfulness, fairness and clarity first step toward drawing up legitimate legally valid sheet. This, however, does not guarantee that financial statements are certain because, at any time, shareholder or third party may challenge drawn even though they obs...

Abstract Two informed and interested parties (senders) repeatedly send messages to an uninformed party (public). Senders face a trade-off between propagating their favoured opinions, possibly by lying, maintaining high audience (or market share), as the state is occasionally revealed lies cause audiences switch competitor. We fully characterize focal Markov perfect equilibrium of this game disc...

The information proliferation in the Web 2.0 age has led to several emerging issues, namely, the authenticity of information, disorientation, and information searching and citation issues in the academic field. Students often find themselves in a difficult situation when they are doing Web-based inquiry learning when the usefulness and truthfulness of the Web information are doubtful. Based on ...