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Table 4 Results of instrumental variable

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

  (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
  1. 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
  2. ***, **, and * indicate statistical significance at the 1%, 5%, and 10% level respectively