in this study, pp films were modified with an organic pro-degradant in different concentrations (1, 2 and 3wt.%), exposed in the first step of degradation to natural ageing for 100 days followed by biodegradation insimulated soil in the respirometric test for 100 days. at the end of the combined degradation process the pp sampleswere characterized according to their morphological and physical p...

warranty as a kind of service contract today plays a role key in business and legal transactions. in this paper, we present a manufacturer, an agent and a customer's model under different service contracts suggestions. the manufacturer's profit is maximized by determining sale price, warranty period and warranty price. in addition we obtain optimal maintenance cost or repair cost for ...

The high cost of lenient return policies force consumer electronics OEMs to look for ways to recover value from lightly used consumer returns, which constitute a substantial fraction of sales and cannot be re-sold as new products. Refurbishing to remarket or to fulfill warranty claims are the two common disposition options considered to unlock the value in consumer returns, which present the OE...

Since the mid 1990s, poverty reduction has emerged as the overriding objective of the international development community. All policies are now evaluated from a poverty reduction perspective as a well as a growth perspective. This is now as true of economic policies as social policies. Consistent with this approach, the Bretton Woods Institutions require low-income developing countries to formu...

A Summary Service plans are a type of warranty contract under which retailers promise to repair or replace products for consumers. Separate from manufacturers' warranty policies, which typically come bundled with the products, and also known as service contracts, protection plans, or retailer extended warranties, retailers' service plans are optional and usually offer broader and more prolonged...