triploidy in grass carp, ctenopharyngodon idella valenciennes, 1844, was induced on fertilized eggs to compare cold and heat shocks. two simplified methods explained for verification of triploidy in grass carp. the cold shock (7 ?c) was given in three treatments for 30 min starting 2.0, 2.5 and 4.0 min after fertilization. in cold shock, the start point (2.0 min after fertilization) showed the ...

This paper investigates several key challenges faced by oil-rich countries regarding their economic growth and development. First, it discusses how to determine currency overvaluation for these (if any). To the overvaluation, real exchange rate (RER) is calculated Balassa–Samuelson effect estimated via a regression model. Next, study presents an empirical model assessing impact of oil rent on i...

This essay introduces a new featured section, to be published in Small Axe annually, that explores the critical vocabulary of field Caribbean studies.

abstract in present paper has tried to examine and investigate quality of effectiveness of monetary shocks on the growth of agricultural sector by using time series dataes of iran economy during 1960-2006 , filter hodric-prescott method and liner regressive models. the resultes show that qualily of effectiveness monetary shocks on growth of agricultural sector is asymmetric and length of effect...