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Fig 1.

Theoretical framework.

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Fig 2.

Map of the sampled area.

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Table 1.

Measurement explanation and descriptive statistics of variables.

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Table 2.

Correlation analysis.

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Table 3.

Oprobit regression results.

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Table 4.

Ologit regression result.

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Table 5.

CMP test.

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Table 6.

T-test.

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Table 7.

Heterogeneity analysis.

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Table 7 Expand