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Waste collection
At a company level, it consists in using specific containers for collecting certain types of waste such as empty toner and printer ink cartridges, batteries, plastic bottles, paper, etc. for their subsequent reuse or recycling.

WEEE (Waste from Electrical or Electronic Equipment)
Waste from electrical or electronic equipment that has been discarded due to breakdown, disuse or obsolescence.

Weightless economy
Theorized by Danny T. Quah (Professor of Economics at the London School of Economics and Political Science), it is also known as “the knowledge economy”, “the intangible economy”, “the immaterial economy”, or simply as “the new economy”. It includes information and communications technologies (ICT) and the Internet; intellectual property (not only patents and copyrights, but also trademarks, financial services and educational services); digital libraries and archives, including multimedia archives; biotechnologies. These elements, that make up the fastest-growing sector of the modern economy, are transforming the world by producing “knowledge products” to which the traditional principles of economics don’t apply.

Welfare
In politics, it indicates the promotion of the basic well-being of individuals.

Wi – Max (Worldwide Interoperability for Microwave Access)
The Wi - MAX - is a technology that allows wireless access to broadband telecommunications networks. It is defined by the Wi - MAX Forum, a global consortium formed by major companies in the field of fixed and mobile telecommunications which has the purpose to develop, test and promote the interoperability of systems based on IEEE 802.16-2004 standards for fixed access and IEEE.802.16e-2005 for fixed and mobile access .
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Window Dressing
Trading activity near the end of a quarter or fiscal year that is designed to dress up a portfolio to be presented to clients or shareholders.


WLR (Wholesale Line Rental)
The WLR Service consists in the resale to wholesale of the basic telephony services and advanced “ISDN” associated with the fees paid by certified residential and non-residential customers of Telecom Italia’s public telephone network.

Workplace Safety Management System
It implements health and safety goals and policies in the planning and management of systems of labor or for the production of goods or services. It defines the ways to identify the liabilities, procedures, processes and resources for achieving the company’s prevention policy inside its corporate organizational structure, in compliance with current health and safety regulations. At the moment, there are no internationally recognized regulations; the Guidelines issued by UNI and INAIL provide a useful reference.

 


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XDSL (Digital Subscriber Line)
It is a technology that makes use of standard telephone lines and it includes different categories including. ADSL Asymmetric DSL, HDSL High-data-rate DSL and VDSL, Very high bit rate.

 

 

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Yield

The annual percentage rate of return earned on a security. Yield is a function of a security's purchase price and coupon interest rate.
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Yield curve
A line tracing relative yields on a type of security over a spectrum of maturities ranging from three months to 30 years.

Yield to call

A yield on a security calculated by assuming that interest payments will be paid until the call date, when the security will be redeemed at the call price.

Yield to maturity

A yield based on the assumption that the security remains outstanding to maturity. It represents the total of coupon payments until maturity, plus interest on interest, and whatever gain or loss is realized from the security at maturity.


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Zero-coupon bond

A bond where no periodic interest payments are made. The investor receives one payment, which includes principal and interest.
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