?ki tarafl? piyasalar talep yap?s? birbirinden farkl? ve aralar?nda dolayl? a? etkileri bulunan iki guruba e? anl? olarak hizmet veren piyasa yap?lar?d?r. Teknolojik yenilikler internet ekonomisindeki ilerlemelerle ekonomilerin önemli bir parças? haline gelen bu geleneksel iktisat teorisi kabullerinden oldukça özellikler gösterebilmektedirler. Geleneksel analizlerde zararl? olabilecek baz? stra...

During prophase of the first meiotic division (prophase I), chromatin dynamically reorganises to recombine and prepare for chromosome segregation. Histone modifying enzymes are major regulators of chromatin structure, but our knowledge of their roles in prophase I is still limited. Here we report on crucial roles of Kdm5/Lid, one of two histone demethylases in Drosophila that remove one of the ...

This paper examines the necessity of regulating the Iranian card payments system (SHAPARAK) based on the theory of two-sided markets. The expansion of the payment card system in recent years has arisen some questions regarding the role of all kinds of costs and expenses such as interchange fees, cardholder fees, merchant fees, and network externality in balancing the market. Since there is only...