Of necessity, many tax-price elasticities are calculated from tax return data. Survey data on families’ charitable giving and reporting on their tax returns indicate that reporting is a significant part of tax-price elasticity estimates. Roughly a quarter of the tax-price elasticity estimated from tax returns represents changes in reporting as opposed to changes in actual donations. These resul...

We study the effect of foreign fund flows on asset prices by investigating the link between foreign institutional investor (FII) flows and stock returns in India. Stocks experiencing high innovations in order flow are associated with a permanent price increase, whereas stocks experiencing low innovations are associated with a partly-transient price decline. The differential abnormal return betw...

The main objective of this research is to optimize the stock portfolio of investment companies operating in the field of petrochemical and refining industries through minimizing risk with respect to the expected return. In this regard, first of all, the compositions of sample firm's portfolios were investigated during 2013 to 2016 and high-weight industries were selected. Then, the risk of retu...

inventory management in production-remanufacturing system has been receiving a great deal of attention in recent years. in literature review, production environment is composed of two sections. the first section is included: production process, remanufacturing process and other options considered in reverse logistics. the second section is included: collection and sorting processes. determinati...

The purpose of this study is to determine the effect Return on Assets (ROA), Equity (ROE), Earning per Share (EPS), and Price Book Value (PBV) stock prices returns in manufacturing companies registered Indonesia Stock Exchange 2018-2020. This used 73 as sample using panel data regression analysis. results indicate that ROA has negative insignificant prices, positive significant returns; ROE EPS...

While the relationship between stock market return and oil price is of great interest to researchers, previous studies do not investigate stock market return with petrochemical products market. In this paper, we analyzed the relationship between prices of main petrochemical products and stock returns of petrochemical companies in Tehran stock exchange. Using a panel data model and GLS estimatio...

This paper develops an economic production quantity model in a three-echelon supply chain composing of a supplier, a manufacturer and a wholesaler under two scenarios. As the first scenario, we consider a return contract between the outside supplier and the supplier and also between the manufacturer and the wholesaler, but in the second one, the return policy between the manufacturer and the wh...

short-selling prohibition has been one of the primary assumptions of markowitz mean-variance model. solving markowitz quadratic model creates investment efficient frontier by considering only two return and budget constraints. in order to develop a more realistic portfolio selection model, in this paper, a new mathematical model is developed to allow short-selling under some practical constrain...

In this paper, I analyze re-pricing decisions for mutual fund management services. I derive measures of performance and price sensitivity and show that investors do not consider expense ratios simply as a negative component of expected returns: while performance sensitivity monotonically increases with past performance, price-sensitivity does not. Investors that buy top pastperformers seems to ...