This article considers the consequence of incomplete contracts that arise due to difficulties in precisely describing potentially relevant contingencies. Unlike much of the literature, this article concludes that the resulting incompleteness could often be immaterial with respect to economic efficiency. Indeed, attempts to “improve” matters by increasing the accuracy with which the courts deter...

caspian sea is the largest enclosed body of water on the earth. since the collapse of soviet union in 1991 and discovering large oil and gas fields, some issues such as political, economic and environmental events, made the caspian sea important. the ecology of the sea are being endangered due to several issues such as petroleum extraction, river and sea pollutions, water level rise, biological...

background: deficiency of attention and concentration is one of great reasons of traffic incidents and it covers between 20 to 50 percent of events due to careless and mindedness. studies show that attention and concentration are considered as one of important cognitive components in safe driving. vibration is an important physical effect in all vehicles. till now has not been any organized stu...

The "Mour" is an elegiac dirge in Laki – an ancient language still spoken in regions as diverse as Lorestan, Hamadan, Ilam, and Kermanshah. Sung in an elegiac non-rhythmic tune and just in one distich in memory of a dead person, these wistful melodies have a rather long history. The purpose of this article, which is descriptive-analytical and library-based, is to explore the relationship betwee...

Since 1990 the annual number of extreme weather and climate related events has doubled in comparison to the previous decade. These events account for about 80% of all economic losses caused by catastrophic events (European Environment Agency (2004), 70). In the course of climate change they are projected to happen even more often. Therefore economic losses due to weather and climate related eve...

this paper reports the preliminary findings of a large scale study on stressful life events, conducted in isfahan city-in center of iran. the purpose of this study was to explore the positive and negative stressful events experienced by some of the inhabitants of this city over the past 5 years. 422 randomly selected individuals belonging to 100 families were interviewed. the interview schedule...