It is widely believed that the resilience of the stock market and its ability to accurately set prices are affected by credit conditions in the economy. A scarcity of deployable capital may cause market-makers to become financially constrained, leading to a breakdown in intermediation. This paper describes another channel by which the supply of available capital affects secondary market liquidi...

We show that the proportional response algorithm for computing an economic equilibrium in a Fisher market model can be interpreted as iteratively approximating the economy by one with Cobb-Douglas utilities, for which a closed-form equilibrium can be obtained. We also extend the method to allow elasticities of substitution at most one.

botrytis cinerea is an important pathogen that causes diseases in ornamental crops. in presentresearch several greenhouses of roses located in central region of iran were surveyed toidentify the botrytis cinerea. a total of 80 isolates were collected from rose greenhouses incentral region of iran. morphological identification was based on characters such asconidiophore and conidial length. acco...