Table 3 Description of the Worldwide Governance Indicators (WGI).

From: Evolution and proximity analysis of oil and natural gas trade networks among the Belt and Road Initiative countries

Indicators

Description

Value

Voice and Accountability

The indicator captures perceptions of the extent to which a country’s citizens are able to participate in selecting their government, as well as freedom of expression, freedom of association, and a free media.

−2.5 to 2.5

Political Stability and Absence of Violence/Terrorism

The indicator measures perceptions of the likelihood of political instability and/or politically motivated violence, including terrorism.

−2.5 to 2.5

Government Effectiveness

The indicator captures perceptions of the quality of public services, the quality of the civil service and the degree of its independence from political pressures, the quality of policy formulation and implementation, and the credibility of the government’s commitment to such policies.

−2.5 to 2.5

Regulatory Quality

The indicator captures perceptions of the ability of the government to formulate and implement sound policies and regulations that permit and promote private sector development.

−2.5 to 2.5

Rule of Law

The indicator captures perceptions of the extent to which agents have confidence in and abide by the rules of society, and in particular the quality of contract enforcement, property rights, the police, and the courts, as well as the likelihood of crime and violence.

−2.5 to 2.5

Control of Corruption

The indicator captures perceptions of the extent to which public power is exercised for private gain, including both petty and grand forms of corruption, as well as “capture” of the state by elites and private interests.

−2.5 to 2.5