Table 4 Temporal effects of the high-standard farmland construction policy.

From: Harvesting environmental sustainability—the fertilizer use efficiency gains of China’s high-standard farmland initiative

Variables

Model 1

Model 2

DID × 2013

1.504 (0.142)

0.419 (1.130)

DID × 2014

1.804** (0.776)

1.161 (0.786)

DID × 2015

2.129*** (0.765)

0.720 (0.783)

DID × 2016

3.552*** (0.947)

2.008** (0.966)

DID × 2017

4.300*** (0.934)

2.012*** (0.981)

Control variables

No

Yes

Time fixed effects

Yes

Yes

Regional fixed effects

Yes

Yes

_Cons

−2.365*** (0.222)

−1.117*** (0.387)

R2

0.170

0.248

N

300

300

  1. *** and ** indicate statistical significance at the 1% and 5% levels, respectively.
Back to article page