Abstract:
This research affords to investigate empirically the social and economic factors that affect the taxpayers and the amount of personal income tax with household data from Socio-Economic Survey (SES) in year 2011. The estimation of economics models as Logit model to study the factors affecting the decision and Tobit model to study the factors affecting the determine the amount of tax. They divided the study population into three groups: Labor income, Middle class income, the population with the highest income 10%. The study found that social factors affecting the probability of paying personal income tax and the amount of paying personal income tax such as region, when those who have lived in Bangkok are likely to pay personal income tax more than other regions. Age, Education more will result in a likelihood of paying tax increases and the amount of paying tax was increased as well. Factors by gender found that if those revenues are male and married have the probability of paying tax than other cases because most labor are male and men often have a better economic status women. Marriage makes a steady job, the enthusiasm to work bring to revenue increase. Work status, government employee have the probability of paying tax than any other occupation. The economic factors found that, when income increases would result in a likelihood of paying tax increases and the amount of paying tax increase by progressive tax rate structure. The increasing number of children, the elders and a disabled person in the family to make reduction the amount of paying personal income tax. While the allowance in the purchase of insurance, interest loans for housing will find that even have with these allowances but also to pay tax on. The sample of allowances, most of these groups have a good economic.