Exact(5)
The income interaction indicates that wealthier respondents are willing to pay an additional 27 cents for California pistachios.
The California and income interaction effect is positive and statistically significant at 1% level, suggesting that the purchase of California pistachios depends on income.
The Chinese and income interaction effect is positive but not statistically significant, meaning that the higher income will not generate the purchase of Chinese pistachios.
The income interaction effects, for example, are sensitive to outliers and therefore less convincing.
Thus, this study contributes to the existing evidence base by analyzing multiple insurance in a middle-income country context and by correctly considering the income interaction effect.
Similar(55)
Column P4 uses all treatment-seekers and adds a reform-income interaction term.
Column R3 pools the three NCMS years of data, and includes the reform-income interaction term.
The third column shows that the insurance-income interaction variable is significantly negative suggesting that, as income increases insurance becomes a gradually less important factor to explain utilization of outpatient care.
Similarly, in some specifications we add a reform-income interaction term to the right-hand side, to capture the fact that income affects benefits differently before and after the reform.
Stroke is associated with high cardiovascular risk factors, including hypertension, smoking, sedentary lifestyle, obesity, reduced quality of life, depression or anxious mood, low income, social interaction, and social status [ 1].
The analysis shows that except for employment and income, all interactions have statistical significance.
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