in recent years, sexed semen has been commercially available. due to its lower fertility and higher price compared to conventional semen, economic evaluation should be undertaken before recommending the technology to dairy producers in each country. the objectives of the present study were to evaluate the advantages and disadvantages of the sexed semen usage at farm level in economic conditions...

In his book ‘‘The Politics of Happiness’’ Derek Bok argues that happiness should be a goal in public policy. He presents an inventory of social problems in the US with negative effects on happiness, like inadequate education, chronic pain, sleep disorders, depressions, divorce, single-parent families, and financial hardship. He presents interesting options to deal with these problems. He also p...

This paper aims to study and examine the value systems among the students region of Islamic Azad universities. The population includes all students in academic year 2008-9 among whom 400 ones were selected from 10 universities as a sample. The students' value hierarchies were examined using Alpourt 45- item questionnaire(A.V.L). Descriptive and t-inferential statistics and multivariate variance...

one of the most important questions in islamic banking system is about the best method for calculating the interest rate of loans and deposits. this paper compares two methods : time- value method and economic value- added method and tries to answer this question that, based on the information gathered from the financial statements of a sample of the accepted firms in the iranian exchange marke...