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Table 3 Top 5 fractions of firms’ attributes with p -value < 0.01 in major communities in non-directed licensee-licensor network. R , which expresses ratio between actual fraction and the fraction obtained by random selection, is defined by Equation ( 2 ). Bold font indicates remarkable attributes with \(\pmb{R\ge3}\)

From: Structure of global buyer-supplier networks and its implications for conflict minerals regulations

Rank

Country (fraction (>0.01), R )

Industry sector (fraction (>0.01), R )

1

United Kingdom (0.067, 1.18)

Movies and entertainment (0.105, 3.68)

Japan (0.043, 1.50)

Semiconductors (0.083, 4.16)

Taiwan (0.033, 3.34)

Broadcasting (0.076, 4.07)

France (0.026, 1.31)

Internet software and services (0.061, 1.55)

South Korea (0.020, 1.72)

Application software (0.056, 1.19)

2

United States (0.551, 1.13)

Internet software and services (0.346, 6.03)

Japan (0.047, 1.65)

Application software (0.296, 5.59)

Germany (0.040, 1.44)

Asset Management and custody banks (0.073, 2.74)

Switzerland (0.029, 2.50)

Health care technology (0.052, 4.36)

France (0.028, 1.37)

Healthcare equipment (0.029, 2.34)

3

United States (0.622, 1.27)

Apparel, accessories, luxury goods (0.287, 13.59)

Italy (0.046, 3.72)

Distributors (0.056, 4.98)

France (0.032, 1.60)

Apparel retail (0.051, 7.91)

Thailand (0.010, 1.94)

Footwear (0.046, 11.50)

 

Packaged foods and meats (0.032, 1.55)

4

India (0.046, 1.51)

Commodity chemicals (0.128, 9.50)

Japan (0.046, 1.60)

Oil and gas refining and marketing (0.072, 11.90)

Netherlands (0.027, 2.43)

Fertilizers, agricultural chemicals (0.050, 13.17)

South Korea (0.025, 2.21)

Industrial machinery (0.046, 2.55)

Israel (0.023, 2.23)

Construction and engineering (0.044, 5.87)