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Ebook The Bank Lending Channel in a Partially Dollarized Economy: The Case of Mexico

Submitted by wulan on Mon, 01/18/2010 - 08:39

The purpose of this paper is to understand how the bank lending channel of monetary policy transmission is affected by the dollarization of the banking sector. Debate continues on the mechanism of monetary transmission for single currency economies. A study in a partially dollarized setting contributes to this broader debate by looking at one channel of monetary policy which is not present in a single-currency setting. This channel ties bank lending with the currency composition of a key component of bank liabilities, namely deposits. In particular, I motivate and test the mechanism by which banks, varying in their initial share of foreign currency deposits, respond differently to the same monetary policy shock. This response is not limited to changing the currency composition of bank liabilities or to altering more generally the make-up of these liabilities.

The constraints arising on the liability side will affect the asset side if bank assets are not decoupled from bank financing, which will be true in the presence of capital market frictions and restrictions. This generates economically interesting and potentially important effects of monetary policy on loanable funds, credit, and therefore on real activity in a partially dollarized economy.

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PDF Ebook Lose Weight by Burning More Calories!

Submitted by antoq on Tue, 02/23/2010 - 03:01

Your metabolism is the amount of energy in calories that your body burns in order to maintain its weight. Whether you’re sleeping, running, sitting, standing, riding in a car or eating a bowl of chocolate fudge ice cream, your body is constantly burning calories in order to keep you going. Think of it as a fire within you, burning your fat and food away. No, sorry but you won’t burn enough calories chewing your chocolate fudge ice cream to cancel out the calories you just took in by eating that bowl of ice cream. It would be nice if it worked that way, but it doesn’t.

Get any group of women together, and even some men, get them talking on the topic of their metabolism and you’ll hear moaning and groaning and complaining about how their metabolism is so slow, that when they were younger they could eat anything they wanted to and not gain weight but now if they simply *think* about a piece of cheesecake they put five pounds on.

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Ebook Adaptive Fraud Detection

Submitted by wulan on Sat, 12/12/2009 - 01:17

In the United States, cellular fraud costs the telecommunications industry hundreds of millions of dollars per year (Walters and Wilkinson 1994; Steward 1997). One kind of cellular fraud called cloning is particularly expensive and epidemic in major cities throughout the United States. Cloning fraud causes great inconvenience to customers and great expense to cellular service providers. Existing methods for detecting cloning fraud are ad hoc and their evaluation is virtually nonexistent. We have embarked on a program of systematic analysis of cellular call data for the purpose of designing and evaluating methods for detecting fraudulent behavior.

Cloning fraud is one instance of superimposition fraud, in which fraudulent usage is superimposed upon (added to) the legitimate usage of an account. Other examples are credit card fraud, calling card fraud and some forms of computer intrusion. Superimposition fraud typically occurs when a non-legitimate user gains illicit access to the account or service of a legitimate user. Superimposition fraud is detectable if the legitimate users have fairly regular behavior that is generally distinguishable from the fraudulent behavior.

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