联合国：2018年非洲B2C电子商务指数报告（英文版）（23页）.pdf

1、U n i t e d n at i o n s C o n f e r e n C e o n t r a d e a n d d e v e l o p m e n t UNCTADUNITED NATIONS UNCTAD B2C E-COMMERCE INDEX 2018 FOCUS ON AFRICA UNCTAD Technical Notes on ICT for DevelopmentN12 1 UNCTAD B2C E-commerce Index 2018 Focus on Africa Improved coverage in 2018 edition The 2018

2、UNCTAD B2C E-commerce Index, which measures an economys preparedness to support online shopping, has expanded its coverage to include 151 economies, up seven from the 2017 edition. The index consists of four indicators that are highly related to online shopping and for which there is wide country co

3、verage (box 1).1 The extent to which people shop online in a country is highly correlated with the value of the index, with an adjusted R squared value of 0.8 (Figure 1). Box 1. UNCTAD B2C E-commerce index methodology The index is calculated as the average of four indicators (i.e., each indicator ca

4、rries the same weight) using data for 2017 or the latest available. Account ownership at a financial institution or with a mobile-money-service provider (% of population ages 15+) (Source: World Bank) Individuals using the Internet (% of population) (Source: International Telecommunication Union, IT

5、U) Postal Reliability Index (Source: Universal Postal Union, UPU) Secure Internet servers (per 1 million people) (Source: Netcraft) Account ownership data are sourced from the World Bank Findex survey, which is carried out every three years, with latest survey in 2017. Therefore, 2016 data have been

6、 estimated based on the Compound Annual Growth Rate (CAGR) between 2014-17. In cases where there was no survey in 2014 but there was one in 2011 and 2017, intervening years are estimated based on the 2011-17 CAGR. Older data were used as a basis for the estimates when only surveys conducted prior to