We formalize the idea that uncertainty is generated by news about future developments in economic conditions which are not perfectly predictable by the agents. With a simple model of limited information we show that uncertainty shocks can be obtained as the square of news shocks. We develop a two-step econometric procedure to estimate the effects of news and we find highly nonlinear effects. La...

During the last few years, companies have had an increasing interest in Corporate Social Responsibility (CSR) and its implications in economic performance and competitive environment. However, as a result of the recent economic decline, CSR and the overall attitude of companies towards socially responsible activities have been affected. This article discusses the shift in the perception of CSR ...

The gingival recession was evaluated in 400 subjects aged more than 20 years, looking for dental treatment at Rural Dental College and Hospital, Loni, Maharashtra, India. Clinical examination was conducted by a single examiner and analysis of four surfaces (mesial, buccal, distal and lingual) was done. The gingival recession was measured in millimeters from the cementoenamel junction to the gin...

Over the years, Nigeria depends on crude oil proceeds as the major source of national income, foreign exchange and external reserves. This dependence coupled with the huge cost of running and maintaining the political structure among other factors prove disastrous by leading the economy to the worst recession in decades. We therefore, chronicle the origin, effects and way out of the recession v...

Background: Gingival recession refers to apical migration of the gingival margin. Smoking is one of the most important risk factors for periodontitis that affects the prevalence, extent and severity of disease. The aim of this study was to assess the effects of smoking on gingival recession. Methods: Fifty smokers and 55 non-smokers took part in this cross-sectional study. Gingival recession on...

background: the aim of this clinical trial study was to clinically evaluate the use of enamel matrix protein derivative combined with the coronally positioned fl ap 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 ...

E C O N O M I C R E V I E W Second Quarter 2005 The 2001 recession displayed unique characteristics in comparison to other recessions. Although moderate in terms of the decline in output, the recession was unique in that the contraction in measured output was driven almost entirely by retrenchment in business capital spending. Consumer spending growth remained positive, and residential investme...

Aims—To examine the postoperative stability of inferior rectus recession, with particular reference to the incidence of progressive overcorrection. Methods—The results of consecutive patients undergoing inferior rectus recession over a 3 year period were reviewed. Results—21 patients underwent inferior rectus recession, using an adjustable suture technique in all but three cases. In 16 patients...

Soft tissue recession leads to root exposure which results in root caries, unaesthetic appearance and dentinal hypersensitivity. Aesthetic treatment such as root coverage procedures have become integral part of periodontal treatment. Platelet Rich Fibrin (PRF) is a new promising autogenous, less invasive and effective mode of treating gingival recession. This case report highlights the use of P...