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Analysis of variation in charges and prices paid for vaginal and caesarean section births: a cross-sectional study
Analysis of variation vaginal caesarean section births
2014/11/7
This article aims to examine the between-hospital variation of charges and discounted prices for uncomplicated vaginal and caesarean section deliveries, and to determine the institutional and market-l...
A bargain at twice the price? California hospital prices in the new millennium
hospital price concentration regulation nursing inflation
2014/11/7
WeusedatafromCaliforniatodocumentandofferpossibleexplanationsforthesharpincrease
inhospitalpriceschargedtoprivatepayersafter1999.Wefindadownwardtrendinprice
forprivatepaypatientsinthe1990sandarapidu...
A model of commodity prices after Sir Arthur Lewis
Sir Arthur Lewis World income Cointegration
2014/3/24
We develop an idea from Arthur Lewis’ paper on unlimited supplies of labor to model the longrun behavior of the prices of primary commodity produced by poor countries. Commodity supply is
assumed inf...
Commodity Prices and Growth in Africa。
We show that the existence of an equivalent local martingale measure for asset prices does not prevent negative prices for European calls written on positive stock prices. In particular, we illustrate...
Joint Modelling of Gas and Electricity spot prices
Electricity markets spot price modelling ergodic diffusion
2010/11/2
The recent liberalization of the electricity and gas markets has resulted in the growth of
energy exchanges and modelling problems. In this paper, we modelize jointly gas and electricity
spot prices...
Forecasting Model for Crude Oil Price Using Artificial Neural Networks and Commodity Futures Prices
Crude Oil Future Price ANN Prediction Models
2010/11/1
This paper presents a model based on multilayer feedforward neural network to forecast crude oil spot price direction in the short-term, up to three days ahead. A great deal
of attention was paid on ...
We propose the development of a prediction market for forecasting prices for “toxic assets” to be transferred from Irish banks to the National Asset Management Agency (NAMA). Such a market allows mark...
On the Existence of Shadow Prices in Finite Discrete Time
transactions costs portfolio optimization shadow price
2010/11/3
A shadow price is a process eS lying within the bid/ask prices S, S of a market with proportional transaction costs, such that maximizing expected utility from consumption
in the frictionless market ...
Stochastic Volatility Models Including Open, Close, High and Low Prices
Stochastic Volatility Models Prices
2010/10/29
Mounting empirical evidence suggests that the observed extreme prices within a trading
period can provide valuable information about the volatility of the process within that period. In this paper we...