Trends and Drivers of Agri-environmental Performance in OECD Countries by OECD

Author:OECD
Language: eng
Format: epub
Tags: environment/development/agriculture
Publisher: OECD Publishing
Published: 2019-12-02T00:00:00+00:00

Annex Table 2.B.2. Unit root test

Estimate

P-Value

Estimate

P-Value

Labour productivity (GPV/L)

-4.577

1.000

Δ Labour productivity GPV/L

46.563

0.000

GHG emissions intensity

0.719

0.236

Δ GHG emissions intensity

52.952

0.000

N2O emissions intensity

2.907

0.002

Δ N2O emissions intensity

49.162

0.000

CH4 emissions intensity

0.497

0.310

Δ CH4 emissions intensity

55.931

0.000

Notes: Fisher type augmented Dickey-Fuller tests (F-ADF) are conducted. Null hypothesis is containing unit roots in all panels and the alternative is at least one individual in the panel is stationary. We do not include a trend and one lag is used in the ADF regressions. In addition, the Im-Pesaran-Shin test is performed (Im, Pesaran and Shin, 2003[40]) and produces similar results as F-ADF tests.

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