Results 61 to 70 of about 52,482 (318)
Sovereign Credit Ratings Methodology: An Evaluation
IMF Working Papers, 2002 This paper describes and evaluates the sovereign credit ratings methodologies of Standard & Poor's, Moody's Investors Service, and Fitch Ratings. A simple definition of ratings failure-based on ratings stability-is proposed and tested, pointing to falling failure rates, consistent upside bias, and strong interagency correlation.
openaire +3 more sources
Perspective on Aqueous Batteries: Historical Milestones and Modern Revival
Advanced Materials, EarlyView.This review retraces the development of aqueous batteries from classical Zn‐MnO2 chemistry to modern Zn and Ni systems, correlating voltage, capacity, and electrolyte formulation with practical performance. By mapping historical success and failure onto current and future research directions, it identifies guiding principles that steer the design of ...
Fangwang Ming +5 more
wiley +1 more source
Democratization’s Risk Premium: Partisan and Opportunistic Political Business Cycle Effects on Sovereign Ratings in Developing Countries [PDF]
, 2003 We use partisan and opportunistic political business cycle (“PBC”) considerations to develop a framework for explaining election-period decisions by credit rating agencies (“agencies”) publishing developing country sovereign risk-ratings (“ratings”).
Burkhard N. Schrage +2 more
core +3 more sources
Foreign asset expropriation and sovereign bond ratings in the developing world
Business and PoliticsResearch shows that foreign asset expropriation narrows long-term bond spreads, resulting in lower borrowing costs. However, no empirical studies have investigated the effects of expropriation on sovereign bond ratings.
Glen Biglaiser, Hoon Lee, Seong Hun Yoo
doaj +1 more source
A Mussel‐Inspired Bioadhesive Patch to Selectively Kill Glioblastoma Cells
Advanced Science, EarlyView.An innovative mussel‐inspired bioadhesive patch has been developed for post‐surgical glioblastoma treatment. The patch, which adheres strongly in biological environments, releases a localized treatment. This treatment, acting via reactive oxygen species, shows specific toxicity to glioblastoma cells.
Jose Bolaños‐Cardet +5 more
wiley +1 more source
The shadow economy: a relevant factor for investment decisions in selected European Union countries
Financial Theory and Practice, 2015 The estimation of sovereign risk indicators has a key role for the investment decisions. We were witnesses of inaccurate ratings before the last economic crisis, which altered significantly the results expected by many investors.
Miroslava Kostova Karaboytcheva +1 more
doaj +1 more source
Adult Sex Ratio as a Demographic Feedback Linking Mating Systems, Parental Care, and Evolution
Advanced Science, EarlyView.Breeding systems are some of the most diverse social behavior, and our team is investigation the evolutionary causes of this diversity. This review summarises our research carried out at the University of Bath. We argue that demographic components of wild populations, especially the adult sex ratio, plays a key role driving breeding system variation ...
Tamás Székely, Oscar G. Miranda
wiley +1 more source
Country risk at investing in capital markets – the case of Italy [PDF]
Problems and Perspectives in Management, 2019 Given the current turbulences on the European capital markets, as well as the expectations of a new recession, it is possible to expect that the risk of individual countries and their capital markets will increase significantly.
Božena Chovancová +3 more
doaj +1 more source
Toward Complete CO2 Electroconversion: Status, Challenges, and Perspectives
Advanced Energy Materials, EarlyView.Electrocatalytic CO2 reduction and CO2 batteries face challenges in achieving complete CO2 conversion with high conversion rates and Faradaic efficiency simultaneously. Existing systems compromise one for the other with incomplete CO2 conversion and inefficiencies, hindering practical applications. This perspective highlights state‐of‐the‐art progress,
Changfan Xu +5 more
wiley +1 more source
Applied Economic Perspectives and Policy, EarlyView.ABSTRACT This study examines the official announcement effect of the Market Facilitation Program (MFP) and the Coronavirus Food Assistance Program (CFAP) on the corn and soybean futures market. Using a permutation test and a 2‐stage GLS model, we find no significant official announcement effect.
Zhining Sun +3 more
wiley +1 more source