Designation

Symbol

Definition

Core variable

Household consumption expenditure

Ln_expense

Logarithm of the household consumption expenditure

Online social network

D_inter

If household head surfs the internet through cell phones or computers, the variable = 1; otherwise, the variable = 0

Number of formal financial institutions

finstitution

Number of provincial formal financial institutions

Availability of household consumption loans

D_exdebt

If households have consumption loans in addition to the house loan, the variable = 1; otherwise, the variable = 0

Household head characteristics variables

Age

age

Age of the household head

Gender

gender

Male = 1; female = 0

Educational level

edu

Uneducated = 1, primary school = 2, middle school = 3, high school = 4, junior college = 5, regular college = 6, master’s degree = 7, doctor’s degree = 8

Marriage status

marry

Married = 0, unmarried = 1

Employment status

employ

Employed = 1, unemployed = 0

Health level

health

Healthy = 1, average level = 2, less healthy = 3, unhealthy = 4, extremely unhealthy = 5

Household characteristics variables

Family size

Familysize

Number of family members

Family net income

Ln_fincome

Logarithm of family income