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A. Argentina, Armenia; Australia; Austria; Azerbaijan; Bahamas; Bahrain; Bangladesh; Barbados; Belarus; Belgium; Belize; Benin; Bhutan; Bolivia; Bosnia and Herzegovina; Botswana; Brazil; Bulgaria; Burkina Faso; Burundi; Cambodia; Cameroon; Canada; Cape Verde; Central African Republic; Chad; Chile; China; Colombia; Comoros, Congo Rep

. Côte-d-'ivoire, Croatia; Cyprus; Czech Republic; Denmark; Djibouti; Dominica; Dominican Republic; Ecuador; Egypt Arab Rep.; El Salvador; Eritrea; Estonia; Ethiopia; Fiji; Finland; France; Gabon; Gambia; Georgia; Germany; Ghana

. Greece, . Grenada, . Guatemala, and . Guinea, Guinea-Bissau; Guyana; Haiti; Honduras; Hong-Kong; Hungary; Iceland; India; Indonesia; Iran Islamic Rep.; Ireland; Israel; Italy; Jamaica; Japan; Jordan; Kazakhstan; Kenya Latvia; Lebanon; Lesotho; Liberia; Libya; Lithuania; Luxembourg; Macao; Macedonia, Korea Rep.; Kuwait; Kyrgyz Republic; Lao PDR

. Malawi, . Malaysia, . Mali, and . Malta, Mauritania; Mauritius; Mexico; Micronesia Fed. Sts.; Moldova; Mongolia; Morocco; Mozambique; Namibia; Nepal; Netherlands; New Zealand; Nicaragua; Niger; Nigeria; Norway; Oman; Pakistan; Panama; Papua New Guinea; Paraguay; Peru; Philippines; Poland; Portugal; Romania; Russian Federation; Rwanda

S. Arabia, . Senegal, S. Seychelles, . Leone, and . Singapore, Slovak Republic; Slovenia; Solomon Islands; South Africa; Spain; Sri Lanka; Sudan; Suriname; Swaziland; Sweden; Switzerland; Syrian Arab Republic; Tajikistan; Tanzania; Thailand; Togo; Tonga; Trinidad and Tobago; Tunisia; Turkey; Turkmenistan; Uganda; Ukraine; United Arab Emirates; United Kingdom; United States; Uruguay; Uzbekistan; Samoa; St. Kitts and Nevis; St. Lucia; St. Vincent and the Grenadines; Vanuatu; Venezuela; Vietnam; Yemen Rep.; Zambia

. Di, PORT : Distance measured in kilometres between the main city in country i (mostly the capital city) and access to the nearest port. The data come from Faye et al. (2005) and the authors' calculations. This variable is adjusted by Li(j)(1-Bi(j)), i.e. it is set to 0 for costal countries and for trade between neighbouring countries

. Cai, Dummy equal to one if i (j) is a Central Asian country