climate is the most important factor which control desertification .in order to detect climate changes in desert zones, time trend analysis is applied to extreme indices in kashan station using extreme climate index software (ecis). results show significant trends in extreme indices during the past decade 1995-2004 and the pronounced warming is associated with a negative trend in cold extremes....

Robert H. Rasohe is Associate Professor of Economics at Michigan State University, East Lansing, Michigan. During the 1971-72 academic year, Professor Rasche was a visiting scholar at the Federal Reserve Bank of St. Louis, The following paper evolved out of discussions and seminars with the stafi of this Bank during his visit. The paper is presented in order to foster further discussion of thos...

A simple model of monetary/labor search is constructed to study Keynesian indeterminacy and optimal policy. In the model, economic agents have trouble splitting the surplus from exchange appropriately, and we consider monetary and fiscal policies that correct this Keynesian inefficiency. A Taylor rule does not imply determinacy, nor does it support an efficient outcome. Optimal policies yield a...

Climate is the most important factor which control desertification .In order to detect climate changes in desert zones, time trend analysis is applied to extreme indices in Kashan station using extreme climate index software (ECIS). Results show significant trends in extreme indices during the past decade 1995-2004 and the pronounced warming is associated with a negative trend in cold extremes....