Showing 1 - 10 of 19
Introduction EQ- 5D is one of the most frequently used health- related quality of life (HRQoL) measures but has been found to be insensitive in detecting differences in health status in some general populations and disease groups. For example, the appropriateness of applying EQ- 5D in the...
Persistent link: https://www.econbiz.de/10015188057
This paper examines the performance of prediction intervals based on bootstrap for threshold autoregressive models. We consider four bootstrap methods to account for the variability of estimates, correct the small-sample bias of autoregressive coefficients and allow for heterogeneous errors....
Persistent link: https://www.econbiz.de/10015215445
This paper investigates the trend in the monthly real price of oil between 1990 and 2008 with a generalized autoregressive conditional heteroskedasticity (GARCH) model. Trend and volatility are estimated jointly with the maximum likelihood estimation. There is long persistence in the variance of...
Persistent link: https://www.econbiz.de/10015220354
This thesis builds a stochastic volatility model for the term structure of interest rates, which is also known as the dynamics of the yield curve. The main purpose of the model is to propose a parsimonious and plausible approach to capture some characteristics that conform to some empirical...
Persistent link: https://www.econbiz.de/10009431300
The Dynamic relation mechanism between ZCE cotton futures price and related listed company stock price had been studied based on the metastock historical data in January 1st, 2007 to September 1st, 2010,Johansen co-integration analysis, Vector error correction model, Granger causality test and...
Persistent link: https://www.econbiz.de/10009445602
Conditional Value-at-Risk (CVaR) measures the expected loss amount beyond VaR. It has vast advantage over VaR because of its property of coherence. This paper gives an analytical solution in a complete market setting to the risk reward problem faced by a portfolio manager whose portfolio needs...
Persistent link: https://www.econbiz.de/10015224041
Many studies have investigated the socioeconomic consequences of residential economic segregation in U.S. urban areas. These studies mainly focus on the impact of economic segregation on the poor or minorities and almost universally find that economic segregation hurts these groups in many ways....
Persistent link: https://www.econbiz.de/10015233570
The focus of this paper is three-fold. First, it recalculates the HDI and EFI, use the ratio of HDI and EF to build the EWP, then evaluate and analyze the EWP of China's provinces. Second, it develops a unique ecological well-being performance (EWP) model, which is divided into two driving...
Persistent link: https://www.econbiz.de/10015240342
While aggregate earnings should affect aggregate stock returns, standard portfolio theory predicts that the cross-sectional dispersion in firm-level earnings would not affect aggregate stock returns. Nonetheless, this paper demonstrates a surprisingly robust relation between cross-sectional...
Persistent link: https://www.econbiz.de/10009440958
his paper develops a theoretical model to understand the contractual role of accounting conservatism in debt contracts. The optimal debt contract includes an accounting based covenant that gives the creditor the right to liquidate when accounting information reveals unfavorable news about the...
Persistent link: https://www.econbiz.de/10009441096