The thesis provides theoretical findings that the application of carbon taxation has the negative effect that lowering the investment level of the firm, however, at the same time, it also has the positive effect of restricting investors with low technology level and encouraging investors with higher technology level at the same carbon tax rate. Thus, if the carbon tax is used as a regulatory tool, the government may develop policies that will encourage high-tech investors leading to the higher quality of foreign investment in Vietnam. | Summary of Doctoral dissertation: Investment decision under uncertainty - The case of carbon taxation in developing countries
