In this paper we address the development of an MINLP optimization model for the synthesis of paraxylene separation processes based on crystallization technology. A superstructure is proposed that considers different alternative designs and operating conditions for the recovery of a high purity paraxylene product from a feed stream containing other xylene isomers and ethylbenzene. The goal is to...

This study aims to determine and analyze the performance of a company using profitability financial ratios in companies engaged development management public property for 2016-2020 period. The method used is descriptive statistical analysis because it sample description does not intend make conclusions. results ratio show that Profitability Ratio shows are very far from standard have poor Net p...

This paper investigates the determinants of dividend policy for Australian DCs and MCs. In considering dividend payout ratios we adopt two definitions – cash dividends and total dividends. The cash dividend payout ratios consists of cash dividends to net earnings while total dividend payout ratios consists of both cash dividends and share repurchases to net earnings. The determinants of foreign...

Fuzzy economic models to evaluate the economic feasibility of information security investment for decision-makers is derived in this study. The Net Present Value and discounted Return on Investment models are proposed for the execution of cost-benefit analysis. Fuzzy mathematics is based on the extended principles which ensured that the resultant fuzzy number continuously maintained its fuzzy p...

INTRODUCTION........................................................................................ 484 I. THE PUZZLES OF ENTRY............................................................. 488 A. The Assumption of Entrant Rationality: Empirical Findings vs. Economic Theory ............................................ 488 1. The First Puzzle: The Prevalence of Negative Net Present Value Entry ....

OBJECTIVE To assess effects of the Master Settlement Agreement (MSA) and the four individual state settlements on tobacco company decisions and performance. DESIGN 10-K reports filed with the US Securities and Exchange Commission, firm and daily data from the Center for Research in Security Prices, stock price indices, market share and advertising data, cigarette export and domestic consumpti...

The increasing role of the financial system in economy as a result global structure, technological progress, and interdependence institutions has led to emergence importance stability banking sector. For this reason, become undeniable terms economic policies countries. In capital-intensive economy, sector is building block system. Therefore, profitability growth are position support development...

In the past few decades multi-store retailers, especially those with a hundred or more stores, have experienced substantial growth. At the same time, there is widely reported public outcry over the impact of these chain stores on small retailers and local communities. This paper develops an empirical model to assess the impact of chain stores on the profitability and entry/exit decisions of sma...