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What is a 'hair cut' in the financial world?

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A 'haircut' is a loss in the value of an investment or security: see  here  for an example. 

What is a 'run' on a bank?

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A run on a bank is when a large number of customers withdraw their funds simultaneously. If a run on a bank gains momentum it can quickly 'fail' or go out of business, as  happened with Lehman Brothers in 2008. This is what George (James Stewart) is trying to prevent in the famous scene (above) from 'It's a Wonderful Life'. With institutions that are 'too big too fail' a government or international financial organisation may rescue the bank by either taking it over or injecting huge amounts of cash. This is the role the EU is currently playing in Cyprus. Unfortunately the proposed solution, which involved seizing ten per cent of depositor cash has created a crisis of confidence that threatens the banks, the role of Cyprus in the EU and ultimately the EU project itself. How do you stop a bank run? With great difficulty. The traditional remedies are: a) delay -  ....the bank is going to open again next week ... the key requirement is to 'buy tim

Difference between satire and parody?

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 Satirical magazine This can be complex, as this explanation suggests: Satire can be termed as humour and anger combined together. Parody is really meant for mocking and it may or may not incite the society. Parody is just pure entertainment and nothing else. It does not have a direct influence on the society. While Satire makes a serious point through humour, Parody does not contain any thing serious. Parody is just fun for fun’s sake. Satire can induce the society to think where as parody does not. While satire stands for changing the society, parody only stands for fun and making fun Read more:  Difference Between Parody and Satire | Difference Between | Parody vs Satire   So if you're looking for fun try the  The Oxford Book of Parodies , edited by the late, much lamented, John Gross.

What is a meme? A scientific term? Or 'a pretentious way of stating the obvious'?

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This cartoon refers to 'Rickrolling' meme (see below) The word meme was first introduced by Richard Dawkins in  The Selfish Gene . Dawkins was looking for "a monosyllable that sounds a bit like 'gene'" to apply a biological concept to 'cultural evolution'. He wrote that evolution depended not on the particular  chemical basis  of  genetics , but only on the existence of a  self-replicating  unit of transmission – in the case of biological evolution, the  gene . For Dawkins, the meme exemplified another self-replicating unit with potential significance in explaining  human behavior  and cultural evolution. [1]   The form a meme can take is very fluid. Here BBC Radio 4's  Start the Week  discuss a 'cultural meme' listen to ‘English FAQ: What is a meme?’ on Audioboo The term  internet meme  is a further simplification of what some have argued is a pseudo-scientific term. It is defined on one tech blog as: a catchphrase or concept

What are the key concepts in English language teaching?

There are, of course, many different approaches. Here is a short guide to some of them: Teaching English Toolkit Low cost ESOL Teaching Packs

What is Miller's Magical Number Seven? How has it influenced the way we teach languages?

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The psychologist George A Miller  had an incalculable influence on the new academic discipline of cognitive science and the still disputed notion of psycho-linguistics. His research focussed on working memory - the way the mind processes information.  He observed that the brain encountering the unfamiliar, could absorb roughly seven new things at a time.When asked to repeat a random list of letters, words or numbers, he wrote, people got stuck “somewhere in the neighborhood of seven.” Some people could recall nine items on the list, some fewer than seven. But regardless of the things being recalled — colors and tastes, numbers with decimals, numbers without decimals, consonants, vowels — seven was the statistical average for short-term storage. (Long-term memory, which followed another cognitive formula, was virtually unlimited.) From NYT obituary 02/08/2012 Why is Miller's work important for language teachers? In practical terms this means that the mind best processes new