OBJECTIVE The objective of the present study is to calculate the cost-effectiveness of early medical abortion performed by nurse-midwifes in comparison to physicians in a high resource setting where ultrasound dating is part of the protocol. Non-physician health care professionals have previously been shown to provide medical abortion as effectively and safely as physicians, but the cost-effect...

The paper studies asset pricing for stochastic discrete time stock market models. possibility of statistical evaluation the completeness is investigated. It known that not a robust property: small random deviations coefficients convert complete model into incomplete one. investigates if incompleteness robust. found non-robust property as well. This demonstrated basic single model. implies that,...

It is well known that, due to the mobility of a portable and limited channel availability, calls of portables may not be completed due to being blocked or terminated during the call initiation or the handover process. The characteristics of the call-completion and call-holding times for both a complete call and an incomplete call are of critical importance for establishing the actual billing pr...