What is the difference between product value and unique selling proposition?

USPs and value propositions often get confused

there under two different umbrella .

Keep in mind that your USP doesn’t have to revolve around a product detail (such as quality, features, or price). It can also call attention to a unique aspect of your business more broadly speaking (service, selection, speed, convenience, dependability, guarantees, customization, philanthropy, and so on).

Value propositions are longer statements than USPs because they express the tangible results or concrete outcomes (“benefits”) a customer experiences from using a company’s products or services. They serve to convince your target market they’ll get “value for their money” by describing exactly what that value is. 

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explanation:

a manufacturer of printed circuit boards uses exponential smoothing with trend to forecast monthly demand of its product. at the end of december, the company wishes to forecast sales for january. the estimate of trend through november has been 200 additional boards sold per month. average sales have been around 1000 units per month. the demand for december was 1100 units. the company uses α = 0.20 and β = 0.10. make a forecast including trend for the month of january.