We evaluate the Friedman rule for optimal monetary policy in a laboratory economy based on Lagos–Wright (Journal of Economic Theory 145 (2010), 1508–24). explore two implementations Friedman's rule: one involving deflationary and another where interest is paid money. compare welfare consequences with other policies: constant money supply regime grows at k%. Counter to theory, we find that not w...

Objectives This study sought to compare the one-year clinical success of a hydrophilic and a hydrophobic fissure sealant in permanent first molars. Materials and Methods This split-mouth clinical trial was conducted on 23 six to nine year olds who had four fully erupted sound first molars. Helioseal-F and Embrace sealants were randomly applied on the first molars, and follow-ups were schedule...

BACKGROUND The aim of this clinical trial study was to clinically evaluate the use of enamel matrix protein derivative combined with the coronally positioned flap to treat gingival recession compared to the subepithelial connective tissue graft by a new method to obtain denuded root surface area. MATERIALS AND METHODS Thirteen patients, each with two or more similar bilateral Miller class I o...

background and purpose: this study aimed to manage medical errors before and after the implementation of accreditation in public, private, and social security hospitals of mazandaran, iran. materials and methods: this descriptive study has been done in 38 hospitals. data were collected through documents reviewed relating to 2013 and 2014. the paired t-test and friedman test were used by statist...