The article presents a Web site for undergraduate macroeconomics instruction. The first section of this module, called macro in a nutshell, opens with a road map, a graphical interface that conveys an aggregate supply/aggregate demand perspective of the economy, displaying and linking key models and building blocks of intermediate macroeconomics. The second section, interactive macro, features standard models of intermediate macroeconomics programmed as Java applets.
Debt-laden European countries have been given a rough ride and pushed further into trouble by the questionable actions of ratings agencies, according to a study on how sovereign credit worthiness is calculated.
Researchers at St Gallen University believe that the big three agencies have at best made mistakes in rating countries such as Greece and Spain, and in the worst case scenario systematically and deliberately manipulated the markets.
