有用的数据库

数字经济相关

CAIDA
CAIDA collects several different types of data at geographically and topologically diverse locations, and makes this data available to the research community to the extent possible while preserving the privacy of individuals and organizations who donate data or network access.

移民相关

International migrant stock 2019 (UNDP)
The dataset presents estimates of international migrant by age, sex and origin. Estimates are presented for 1990, 1995, 2000, 2005, 2010, 2015 and 2019 and are available for all countries and areas of the world. The estimates are based on official statistics on the foreign-born or the foreign population.

Migration and Remittances Data (World Bank)

• Bilateral Migration Matrix 2017
• Bilateral Migration Matrix 2013
• Bilateral Migration Matrix 2010
• Bilateral Migration Database 1960-2000
• Panel Data on International Migration, 1975-2000
• Extended Bilateral Migration Database - Joint OECD - World Bank

贸易相关

Rauch classification

• organized exchange
• reference priced
• differentiated

Nunn contract intensity

Conversion and Correlation Tables