This paper provides empirical study on the behavior of the Shanghai and the Shenzhen stock exchanges after the Chinese government announced to increase the securities transaction tax from 0.3% to 0.5% in May 9, 1997. We examine the impact of the increased transaction tax on the volatility of stock returns and tax revenue. We find that the return volatility significantly increased. We also find ...

Mutation testing is a technique for testing software units that has great potential for improving the quality of testing, and thereby increasing our ability to assure the high reliability of critical software. It will be shown that recent advances in mutation research have brought a practical mutation testing system closer to reality. One recent advance is a partial solution to the problem of a...

I study a simple market microstructure model in a competitive setting where rational risk neutral investors anticipate becoming liquidity sellers (they are forced to sell with a certain probability) and paying transaction costs (adverse selection costs as well as fixed and/or proportional cost) at some future date. To buy stocks in the IPO they must be compensated for expected future trading lo...

this study considered the production economics of coffee in pakuwa village development committee of parbat district, nepal. household survey was done in june 2014. data collection was done using semi-structured pre-tested questionnaire administered on 40 coffee producers selected randomly. gross margin analysis, profitability index and the benefit-cost ratio was used to analyze the production e...

P returns cost U.S. companies more than $100 billion annually. The cost and scale of returns management issues necessitate a deeper understanding of how to deal with product returns. We develop an analytical model that describes how consumer purchase and return decisions are affected by a seller’s pricing and restocking fee policy. Taking into account the consumers’ strategic behavior, we deriv...

A field experiment was conducted during two consecutive years 2017-18 and 2018-19 at farming system research development (FSRD) site, under South Surma Upazilla of Sylhet in Bangladesh to find out the suitable crop combination for increasing total productivity, return maximizing land utilization through intercropping. Five treatments viz. T1: Sweet potato + red amaranth, T2: leaf T3: mustard gr...

This study aims to analyze the effect of financial ratios on company efficiency. was conducted using a data sample 29 manufacturing companies in various industrial sub-sectors listed Indonesia Stock Exchange (IDX) within reporting period 5 years (2016 – 2020). The sampling technique uses purposive and panel regression analysis methods. independent variables this consist leverage, tangibility, w...