Accounting for tastes: do low-income populations have a higher preference for spicy foods?

The Journal of Chinese Sociology

Table 4 Results of instrumental variable

	(1)	(2)	(3)	(4)
	Preference for spicy foods	Logarithm of per capita family income	Preference for spicy foods	Preference for spicy foods
	OLS	First stage	IV-2SLS	IV-GMM
PCI(log)	− 0.0164** (0.00697)		− 0.0723* (0.0377)	− 0.0723* (0.0377)
PC house worth(log)		0.201*** (0.0134)
F statistics		225.137
Observations	5964	5964	5964	5964

Standard errors are clustered in the county level (reported in parentheses). Other controlled variables are the same as those shown in column (4) in Table 3
***, **, and * indicate statistical significance at the 1%, 5%, and 10% level respectively