In the ascending-price auctions with Yahoo!-type buy-it-now (BIN), we characterize and derive the closed-form solution for the optimal bidding strategy of the bidder and the optimal BIN price of the seller when they are both risk-averse. The seller is shown to be strictly better o with the BIN...

We show that the observation by a principal of the effectiveness of an expert‘s action could induce the expert to lie, damaging the principal. A career-minded expert receives a private-informative signal about the real state of the world, and then he takes an action that can match or not the...

This paper presents a theoretical framework to describe the behaviour of the credit rating agencies(CRAs) during the crisis, surveying some reputational game models. CRAs have been blamed of inflating ratings of the new credit risk transfer products (CRTs) and of acting in favour of issuers...

In a model of repeated games, we determine the conditions under which cooperation is an equilibrium outcome among the G-20 countries. We consider first, that members are uncertain about the lifespan of the G-20. Second, the nature of member countries and their interrelations can change because...

We analyze the effects of CEOs' layoff risk on their risk choice while overseeing a firm. A CEO, whose managerial ability is unknown, is fired if her expected ability is below average. Her risk choice changes the informativeness of output and market's belief about her ability. She can decrease...

One of the main obstacles for successful economic development is the formation of institutional traps, inefficient yet stable norms of behaviour. Domination of barter exchange, arrears, corruption and black market activities are examples of institutional traps that have hampered reforms in...

Corporations discover that social responsibility pays off. However, sometimes doing what is ethical will prove costly to a company. The purpose of this article is to clarify this trade-off by developing an economic model that describes the choice between profits and principles. The model is used...

Two myths have harmed many economies throughout the world. One is the theory of absolute advantage of central planning over the market mechanism, and the other is the belief that efficient markets develop spontaneously and quickly enough if appropriate economic legislation is established....