Continuous welded turnouts are important for CWR track through the railway station. According to equivalent resistance and non-linear theories and the principle of force diagram, a new method of theoretical calculation for continuous welded turnouts was developed. The continuous welded turnouts designed and installed according to the new theory behaved fairly well. The data collected on sites b...

penalty clause or liquidated damage which is formerly agreed between parties is legally examined and accepted as a rule. although judge could in some circumstances modify this stipulation. yet its economic analysis which is focused on economic efficiency can be considered as a “major unexplained puzzle in the economic theory of law”. this article compares the major legal systems in the case of ...

As in traditional commerce, parties to a contract in ebusiness environments are expected to operate in good faith and comply with mutually agreed terms of contract. It may be the case however that deviation from the agreed contract obligations occur either intentionally or due to force majeure. In this paper we argue that there is value in providing various levels of automated support to deal w...

Incomplete contracts and inadequate enforcement of labor rights, together with the asymmetry power between a worker her employer, create an environment where employer can forcibly extract additional services (e.g. unpaid overtime or sexual favors) from beyond mutually agreed terms exchange. We show that coercive impositions co-exist voluntary transactions in labour market, positive incidence co...