Title
Telephones and Economic Development: A Worldwide LongTerm Comparison,Used
Delivery time: 8-12 business days (International)
This study gives a global summary of the evolution of telephones and economic development around the world, with an interdisciplinary approach based on three major dimensions: a time dimension (from the past to the future), a space dimension (different countries and regions) and a focus dimension (both telephones and economic growth). The analysis uses historical telephone data for 41 major countries over the complete period from 1900 to 2000. A comparative time series analysis is performed using telephone statistics and economic growth as measured in terms of GDP. The analysis shows that, besides the very high correlation between telephones and economic development, there is no general trend for the Granger causality among all countries or regions. Finally, the growth models of mobile telephones and Internet are also considered, even if they do not follow the same patterns of earlier fixed telephones and telegraphs. The mobile telephones in the 21st century are quickly complementing and substituting the old fixed landline telephones of the 20th century, bringing cheaper, faster, better and more efficient ways to communicate in our now interconnected world.
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Shipping & Returns
Shipping
We ship your order within 2–3 business days for USA deliveries and 5–8 business days for international shipments. Once your package has been dispatched from our warehouse, you'll receive an email confirmation with a tracking number, allowing you to track the status of your delivery.
Returns
To facilitate a smooth return process, a Return Authorization (RA) Number is required for all returns. Returns without a valid RA number will be declined and may incur additional fees. You can request an RA number within 15 days of the original delivery date. For more details, please refer to our Return & Refund Policy page.
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This warranty strictly does not cover damages that arose from negligence, misuse, wear and tear, or not in accordance with product instructions (dropping the product, etc.).
Warranty
We provide a 2-year limited warranty, from the date of purchase for all our products.
If you believe you have received a defective product, or are experiencing any problems with your product, please contact us.
This warranty strictly does not cover damages that arose from negligence, misuse, wear and tear, or not in accordance with product instructions (dropping the product, etc.).
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Secure Payment
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
We accept payments with :
Visa, MasterCard, American Express, Paypal, Shopify Payments, Shop Pay and more.