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Table 1 List of the variables used for causal inference: from \(X_0\) to \(X_{11}\) are network variables, from \(X_{12}\) to \(X_{24}\) are economic, historical and geographical background variables

From: Reshaping the structure of the World Trade Network: a pivotal role for China?

Code

Label

Description

\(X_0,X_1\)

\(C_{Di},C_{Dj}\)

Degree centrality of countries ij

\(X_2,X_3\)

\(C_{Pi},C_{Pj}\)

PageRank centrality of countries ij

\(X_4,X_5\)

\(C_{Ti},C_{Tj}\)

Clustering coefficient of countries ij

\(X_6,X_7\)

\(C_{C1i},C_{C1j}\)

(binary) 1 if country ij belongs to Community 1

\(X_8,X_9\)

\(C_{C2i},C_{C2j}\)

(binary) 1 if country ij belongs to Community 2

\(X_{10},X_{11}\)

\(C_{C3i},C_{C3j}\)

(binary) 1 if country ij belongs to Community 3

\(X_{12}\)

lgdp

Log product of real GDPs of countries ij

\(X_{13}\)

lgdppc

Log product of real GDPs per capita of countries ij

\(X_{14}\)

ldist

Log of distance of countries ij

\(X_{15}\)

border

(binary) 1 if ij share a land border

\(X_{16}\)

lareap

Log product of land areas of ij

\(X_{17}\)

island

Number of island nations in the country pair ij (0, 1, or 2)

\(X_{18}\)

landl

Number of landlocked nations in the country pair ij (0, 1, or 2)

\(X_{19}\)

comlang

(binary) 1 if ij share a common language

\(X_{20}\)

comcol

(binary) 1 if ij were ever colonies after 1945 with the same colonizer

\(X_{21}\)

curcol

(binary) 1 if i is currently a colony of j or viceversa

\(X_{22}\)

colony

(binary) 1 if i ever colonized j or viceversa

\(X_{23}\)

custrict

(binary) 1 if ij share the same currency or belong to a currency union

\(X_{24}\)

regional

(binary) 1 if ij belong to a common Regional Trade Agreement (RTA)