OBJECTIVE AND RATIONALE The purpose of this study is to evaluate the degree of fibroid shrinkage which well correlates with symptom regression, and thus to assess the effectiveness of the procedure. METHOD 31 patients were included in the trial after selection. All the patients were thoroughly evaluated before embolization, the following day and at a month after but also at 3 months for 10 of...

Reference pricing (RP) theories predict different outcomes when reference prices are fixed (exogenous) versus being a function of market prices (MPs) (endogenous). Exogenous RP results in MPs at both high-price and low-price firms converging towards the reference price from above and below, respectively. Endogenous RP results in MPs at both high-price and low-price firms decreasing, with low-pr...

Rice plays an especial role in Iranian households' nutrition basket. The volatilities of its price during recent years caused consumers' dissatisfaction. This paper investigates spillover effects of price volatilities (at the wholesale and retail levels) in the Guilan Province rice market. The Generalized Autoregressive Conditional Hetroscedasitic (GARCH) model was used for the monthly time per...

The Shanghai Stock Exchange changed its trading mechanism of the preceding three minutes to closing from continuous call auction on August 20, 2018, while Shenzhen had already this in 2006. Taking all A-shared stocks’ data 2017 2019 as our sample, we construct difference-in-difference models and find significant volume shifts trading. We also see a increase volatility trading, but decrease pric...