Table 2.

Effects of objective air pollution on residents’ happiness.

Variables	Happiness
	Model 1	Model 2	Model 3
PM10	0.001 **	0.008 **	0.003 ***
	(0.001)	(0.003)	(0.001)
PM102		−3.342 × 10−5 **
		(1.623 × 10−5)
PM10 (PM10 > PM10 *)			−0.007 ***
			(0.002)
Age	−0.066 ***	−0.066 ***	−0.066 ***
	(0.007)	(0.007)	(0.007)
Age squared/100	0.072 ***	0.072 ***	0.072 ***
	(0.008)	(0.008)	(0.008)
Gender	0.119 ***	0.118 ***	0.119 ***
	(0.027)	(0.027)	(0.027)
Married	0.310 ***	0.311 ***	0.310 ***
	(0.043)	(0.043)	(0.043)
Household registration	−0.049	−0.048	−0.046
	(0.034)	(0.034)	(0.034)
Religious belief	0.0423	0.049	0.049
	(0.0390)	(0.039)	(0.039)
Personal income (Log)	0.042 ***	0.042 ***	0.043 ***
	(0.015)	(0.015)	(0.015)
Pension	0.032	0.034	0.032
	(0.031)	(0.031)	(0.031)
Medical insurance	0.097 **	0.100 **	0.101 **
	(0.043)	(0.043)	(0.043)
Social trust	0.170 ***	0.169 ***	0.168 ***
	(0.016)	(0.016)	(0.016)
Education level	0.069 ***	0.068 ***	0.069 ***
	(0.014)	(0.014)	(0.014)
Healthy	0.256 ***	0.255 ***	0.254 ***
	(0.014)	(0.014)	(0.014)
GDP per capital (Log)	0.042	0.037	0.032
	(0.039)	(0.039)	(0.039)
Public expenditure ratio	0.351	0.376	0.325
	(0.274)	(0.274)	(0.274)
Public expenditure ratio	−0.044 *	−0.030	−0.029
	(0.024)	(0.025)	(0.025)
Observations	7143	7143	7143
Pseudo R2	0.042	0.043	0.043

Note: ***, ** and * indicate significance at 1%, 5% and 10%, respectively. Robust standard errors at the firm level are reported in parentheses. Same in the following table.